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48392640 = 263451867
BaseRepresentation
bin1011100010011…
…0100111000000
310101001121020000
42320212213000
544342031030
64445120000
71125221262
oct270464700
9111047200
1048392640
112535311a
1214259000
13a0448ca
1465d9b32
1543ad860
hex2e269c0

48392640 has 140 divisors (see below), whose sum is σ = 172233336. Its totient is φ = 12897792.

The previous prime is 48392629. The next prime is 48392651. The reversal of 48392640 is 4629384.

It is a happy number.

48392640 is a `hidden beast` number, since 4 + 8 + 3 + 9 + 2 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (48392629) and next prime (48392651).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48392595 and 48392604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24987 + ... + 26853.

Almost surely, 248392640 is an apocalyptic number.

48392640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48392640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86116668).

48392640 is an abundant number, since it is smaller than the sum of its proper divisors (123840696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48392640 is a wasteful number, since it uses less digits than its factorization.

48392640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 48392640 is about 6956.4818694510. The cubic root of 48392640 is about 364.4123652554.

The spelling of 48392640 in words is "forty-eight million, three hundred ninety-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 1867 2160 2592 2880 3240 3734 4320 5184 5601 6480 7468 8640 9335 11202 12960 14936 16803 18670 22404 25920 28005 29872 33606 37340 44808 50409 56010 59744 67212 74680 84015 89616 100818 112020 119488 134424 149360 151227 168030 179232 201636 224040 252045 268848 298720 302454 336060 358464 403272 448080 504090 537696 597440 604908 672120 756135 806544 896160 1008180 1075392 1209816 1344240 1512270 1613088 1792320 2016360 2419632 2688480 3024540 3226176 4032720 4839264 5376960 6049080 8065440 9678528 12098160 16130880 24196320 48392640