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389004088 = 23113723229
BaseRepresentation
bin10111001011111…
…011101100111000
31000002222110021211
4113023323230320
51244041112323
6102333412504
712432323464
oct2713735470
91002873254
10389004088
1118a645590
12aa33a134
1362791645
14399414a4
152424070d
hex172fbb38

389004088 has 48 divisors (see below), whose sum is σ = 818029800. Its totient is φ = 171987840.

The previous prime is 389004061. The next prime is 389004103. The reversal of 389004088 is 880400983.

It is a self number, because there is not a number n which added to its sum of digits gives 389004088.

It is a congruent number.

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, 118858 + ... + 122086.

Almost surely, 2389004088 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 389004088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409014900).

389004088 is an abundant number, since it is smaller than the sum of its proper divisors (429025712).

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

389004088 is a wasteful number, since it uses less digits than its factorization.

389004088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 389004088 is about 19723.1865579576. The cubic root of 389004088 is about 729.9919233484.

The spelling of 389004088 in words is "three hundred eighty-nine million, four thousand, eighty-eight".

Divisors: 1 2 4 8 11 22 37 44 74 88 148 296 407 814 1369 1628 2738 3229 3256 5476 6458 10952 12916 15059 25832 30118 35519 60236 71038 119473 120472 142076 238946 284152 477892 955784 1314203 2628406 4420501 5256812 8841002 10513624 17682004 35364008 48625511 97251022 194502044 389004088