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38406882 = 2371891013
BaseRepresentation
bin1001001010000…
…0101011100010
32200021021100010
42102200223202
534313010012
63451105350
7644311263
oct222405342
980237303
1038406882
111a752728
1210a42256
137c59687
14515a96a
153589c3c
hex24a0ae2

38406882 has 32 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 12467840.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406882 is 28860483.

It is a self number, because there is not a number n which added to its sum of digits gives 38406882.

It is not an unprimeable number, because it can be changed into a prime (38406883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37408 + ... + 38420.

It is an arithmetic number, because the mean of its divisors is an integer number (2464020).

Almost surely, 238406882 is an apocalyptic number.

38406882 is an abundant number, since it is smaller than the sum of its proper divisors (40441758).

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

38406882 is a wasteful number, since it uses less digits than its factorization.

38406882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 38406882 is about 6197.3286180418. The cubic root of 38406882 is about 337.3932194432.

The spelling of 38406882 in words is "thirty-eight million, four hundred six thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 71 89 142 178 213 267 426 534 1013 2026 3039 6078 6319 12638 18957 37914 71923 90157 143846 180314 215769 270471 431538 540942 6401147 12802294 19203441 38406882