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397423076 = 2217192910607
BaseRepresentation
bin10111101100000…
…011000111100100
31000200211011222012
4113230003013210
51303220014301
6103234053352
712564016601
oct2754030744
91020734865
10397423076
11194375926
12b111a258
136444b6ab
143aad36a8
1524d54ebb
hex17b031e4

397423076 has 48 divisors (see below), whose sum is σ = 801964800. Its totient is φ = 171053568.

The previous prime is 397423073. The next prime is 397423079. The reversal of 397423076 is 670324793.

It is an interprime number because it is at equal distance from previous prime (397423073) and next prime (397423079).

It is not an unprimeable number, because it can be changed into a prime (397423073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32165 + ... + 42771.

It is an arithmetic number, because the mean of its divisors is an integer number (16707600).

Almost surely, 2397423076 is an apocalyptic number.

It is an amenable number.

397423076 is an abundant number, since it is smaller than the sum of its proper divisors (404541724).

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

397423076 is a wasteful number, since it uses less digits than its factorization.

397423076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676 (or 10674 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 397423076 is about 19935.4728060310. The cubic root of 397423076 is about 735.2206448799.

The spelling of 397423076 in words is "three hundred ninety-seven million, four hundred twenty-three thousand, seventy-six".

Divisors: 1 2 4 17 19 29 34 38 58 68 76 116 323 493 551 646 986 1102 1292 1972 2204 9367 10607 18734 21214 37468 42428 180319 201533 307603 360638 403066 615206 721276 806132 1230412 3426061 5229251 5844457 6852122 10458502 11688914 13704244 20917004 23377828 99355769 198711538 397423076