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48576640 = 275721549
BaseRepresentation
bin1011100101001…
…1100010000000
310101101221121211
42321103202000
544413423030
64453055504
71126615600
oct271234200
9111357554
1048576640
1125469392
1214327594
13a0aa598
146646c00
1543e812a
hex2e53880

48576640 has 96 divisors (see below), whose sum is σ = 135175500. Its totient is φ = 16644096.

The previous prime is 48576637. The next prime is 48576691. The reversal of 48576640 is 4667584.

It can be written as a sum of positive squares in 2 ways, for example, as 47444544 + 1132096 = 6888^2 + 1064^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 48576593 and 48576602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30586 + ... + 32134.

Almost surely, 248576640 is an apocalyptic number.

48576640 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 48576640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67587750).

48576640 is an abundant number, since it is smaller than the sum of its proper divisors (86598860).

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

48576640 is a wasteful number, since it uses less digits than its factorization.

48576640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 48576640 is about 6969.6943978915. The cubic root of 48576640 is about 364.8736411300.

The spelling of 48576640 in words is "forty-eight million, five hundred seventy-six thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 280 320 392 448 490 560 640 784 896 980 1120 1549 1568 1960 2240 3098 3136 3920 4480 6196 6272 7745 7840 10843 12392 15490 15680 21686 24784 30980 31360 43372 49568 54215 61960 75901 86744 99136 108430 123920 151802 173488 198272 216860 247840 303604 346976 379505 433720 495680 607208 693952 759010 867440 991360 1214416 1387904 1518020 1734880 2428832 3036040 3469760 4857664 6072080 6939520 9715328 12144160 24288320 48576640