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502589428 = 221117671911
BaseRepresentation
bin11101111101001…
…110011111110100
31022000201012002021
4131331032133310
52012130330203
6121512122524
715311640205
oct3575163764
91260635067
10502589428
11238775970
12120396444
13801808c3
144aa6b5ac
152e1ca5bd
hex1df4e7f4

502589428 has 24 divisors (see below), whose sum is σ = 1015930944. Its totient is φ = 215011200.

The previous prime is 502589371. The next prime is 502589447. The reversal of 502589428 is 824985205.

It is a super-2 number, since 2×5025894282 = 505192266274734368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335208 + ... + 336703.

It is an arithmetic number, because the mean of its divisors is an integer number (42330456).

Almost surely, 2502589428 is an apocalyptic number.

It is an amenable number.

502589428 is an abundant number, since it is smaller than the sum of its proper divisors (513341516).

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

502589428 is a wasteful number, since it uses less digits than its factorization.

502589428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671943 (or 671941 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 502589428 is about 22418.5063730838. The cubic root of 502589428 is about 795.0683210670.

The spelling of 502589428 in words is "five hundred two million, five hundred eighty-nine thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 671911 1343822 2687644 7391021 11422487 14782042 22844974 29564084 45689948 125647357 251294714 502589428