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397327088 = 24191306997
BaseRepresentation
bin10111101011101…
…011101011110000
31000200122022022002
4113223223223300
51303203431323
6103232033132
712563140004
oct2753535360
91020568262
10397327088
1119430a7a4
12b10927a8
1364416ab2
143aaaa704
1524d36828
hex17aebaf0

397327088 has 20 divisors (see below), whose sum is σ = 810338760. Its totient is φ = 188207424.

The previous prime is 397327087. The next prime is 397327109. The reversal of 397327088 is 880723793.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397327087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653195 + ... + 653802.

It is an arithmetic number, because the mean of its divisors is an integer number (40516938).

Almost surely, 2397327088 is an apocalyptic number.

397327088 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397327088 is an abundant number, since it is smaller than the sum of its proper divisors (413011672).

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

397327088 is a wasteful number, since it uses less digits than its factorization.

397327088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307024 (or 1307018 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 397327088 is about 19933.0651932913. The cubic root of 397327088 is about 735.1614484836.

The spelling of 397327088 in words is "three hundred ninety-seven million, three hundred twenty-seven thousand, eighty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 1306997 2613994 5227988 10455976 20911952 24832943 49665886 99331772 198663544 397327088