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397069194 = 23232877313
BaseRepresentation
bin10111101010101…
…100101110001010
31000200011012112110
4113222230232022
51303122203234
6103222323150
712561014064
oct2752545612
91020135473
10397069194
11194153a65
12b0b894b6
13643565b2
143aa40734
1524cd51e9
hex17aacb8a

397069194 has 16 divisors (see below), whose sum is σ = 828666432. Its totient is φ = 126601728.

The previous prime is 397069193. The next prime is 397069219. The reversal of 397069194 is 491960793.

It is not an unprimeable number, because it can be changed into a prime (397069193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438519 + ... + 1438794.

It is an arithmetic number, because the mean of its divisors is an integer number (51791652).

Almost surely, 2397069194 is an apocalyptic number.

397069194 is an abundant number, since it is smaller than the sum of its proper divisors (431597238).

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

397069194 is a wasteful number, since it uses less digits than its factorization.

397069194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877341.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 397069194 is about 19926.5951431749. The cubic root of 397069194 is about 735.0023564180.

The spelling of 397069194 in words is "three hundred ninety-seven million, sixty-nine thousand, one hundred ninety-four".

Divisors: 1 2 3 6 23 46 69 138 2877313 5754626 8631939 17263878 66178199 132356398 198534597 397069194