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38898860 = 225711132967
BaseRepresentation
bin1001010001100…
…0110010101100
32201012021012112
42110120302230
534424230420
63505423152
7651430520
oct224306254
981167175
1038898860
111aa59320
121103aab8
13809c5a0
145247d80
1536358c5
hex2518cac

38898860 has 192 divisors, whose sum is σ = 115153920. Its totient is φ = 10644480.

The previous prime is 38898859. The next prime is 38898883. The reversal of 38898860 is 6889883.

It is a junction number, because it is equal to n+sod(n) for n = 38898799 and 38898808.

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 63 ways as a sum of consecutive naturals, for example, 580547 + ... + 580613.

It is an arithmetic number, because the mean of its divisors is an integer number (599760).

Almost surely, 238898860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38898860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57576960).

38898860 is an abundant number, since it is smaller than the sum of its proper divisors (76255060).

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

38898860 is a wasteful number, since it uses less digits than its factorization.

38898860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 38898860 is about 6236.8950608456. The cubic root of 38898860 is about 338.8277391334.

It can be divided in two parts, 38 and 898860, that added together give a palindrome (898898).

The spelling of 38898860 in words is "thirty-eight million, eight hundred ninety-eight thousand, eight hundred sixty".