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1382482640 = 245711224429
BaseRepresentation
bin101001001100111…
…0000001011010000
310120100101101122202
41102121300023100
510312403421030
6345103222332
746154623430
oct12231601320
93510341582
101382482640
1164a414740
12326ba79a8
13190557386
14d18722c0
1581584745
hex526702d0

1382482640 has 80 divisors (see below), whose sum is σ = 4007422080. Its totient is φ = 430901760.

The previous prime is 1382482609. The next prime is 1382482663. The reversal of 1382482640 is 462842831.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×13824826402 = 3822516499802739200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1382482594 and 1382482603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106055 + ... + 118374.

It is an arithmetic number, because the mean of its divisors is an integer number (50092776).

Almost surely, 21382482640 is an apocalyptic number.

1382482640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382482640 is an abundant number, since it is smaller than the sum of its proper divisors (2624939440).

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

1382482640 is a wasteful number, since it uses less digits than its factorization.

1382482640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224460 (or 224454 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1382482640 is about 37181.7514380375. The cubic root of 1382482640 is about 1114.0035175936.

The spelling of 1382482640 in words is "one billion, three hundred eighty-two million, four hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 880 1232 1540 3080 6160 224429 448858 897716 1122145 1571003 1795432 2244290 2468719 3142006 3590864 4488580 4937438 6284012 7855015 8977160 9874876 12343595 12568024 15710030 17281033 17954320 19749752 24687190 25136048 31420060 34562066 39499504 49374380 62840120 69124132 86405165 98748760 125680240 138248264 172810330 197497520 276496528 345620660 691241320 1382482640