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397025423424 = 26337171930757
BaseRepresentation
bin1011100011100001000…
…11110011000001000000
31101221210101101020001000
411301300203303001000
523001102002022144
6502220240412000
740453442263050
oct5616043630100
91357711336030
10397025423424
11143417556a53
1264b43017000
132b5932b8966
14153050d7560
15a4da6c7769
hex5c708f3040

397025423424 has 224 divisors, whose sum is σ = 1412388092160. Its totient is φ = 106763083776.

The previous prime is 397025423401. The next prime is 397025423453. The reversal of 397025423424 is 424324520793.

397025423424 is a `hidden beast` number, since 3 + 9 + 70 + 2 + 542 + 34 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 397025423424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759747 + ... + 1171010.

Almost surely, 2397025423424 is an apocalyptic number.

397025423424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

397025423424 is an abundant number, since it is smaller than the sum of its proper divisors (1015362668736).

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

397025423424 is a wasteful number, since it uses less digits than its factorization.

397025423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930802 (or 1930786 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 397025423424 in words is "three hundred ninety-seven billion, twenty-five million, four hundred twenty-three thousand, four hundred twenty-four".