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343906472 = 23713472399
BaseRepresentation
bin10100011111111…
…001100010101000
3212222010020222202
4110133321202220
51201020001342
654043035332
711344104530
oct2437714250
9788106882
10343906472
11167143028
129720bb48
1356331770
14339624c0
15202d3332
hex147f98a8

343906472 has 32 divisors (see below), whose sum is σ = 793632000. Its totient is φ = 136050624.

The previous prime is 343906469. The next prime is 343906477. The reversal of 343906472 is 274609343.

It is a super-2 number, since 2×3439064722 = 236543322966973568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343906477) 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, 235472 + ... + 236927.

It is an arithmetic number, because the mean of its divisors is an integer number (24801000).

Almost surely, 2343906472 is an apocalyptic number.

It is an amenable number.

343906472 is an abundant number, since it is smaller than the sum of its proper divisors (449725528).

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

343906472 is a wasteful number, since it uses less digits than its factorization.

343906472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472425 (or 472421 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 343906472 is about 18544.7154736868. The cubic root of 343906472 is about 700.6161051948.

The spelling of 343906472 in words is "three hundred forty-three million, nine hundred six thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 472399 944798 1889596 3306793 3779192 6141187 6613586 12282374 13227172 24564748 26454344 42988309 49129496 85976618 171953236 343906472