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351430394 = 2761795209
BaseRepresentation
bin10100111100100…
…110011011111010
3220111021111212112
4110330212123322
51204431233034
654512212322
711465052260
oct2474463372
9814244775
10351430394
11170411947
129983a0a2
1357a672a3
1434960430
1520cbc7ce
hex14f266fa

351430394 has 32 divisors (see below), whose sum is σ = 620198400. Its totient is φ = 146240640.

The previous prime is 351430369. The next prime is 351430411. The reversal of 351430394 is 493034153.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 351430394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64862 + ... + 70070.

It is an arithmetic number, because the mean of its divisors is an integer number (19381200).

Almost surely, 2351430394 is an apocalyptic number.

351430394 is a deficient number, since it is larger than the sum of its proper divisors (268768006).

351430394 is a wasteful number, since it uses less digits than its factorization.

351430394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 351430394 is about 18746.4768423296. The cubic root of 351430394 is about 705.6886077370.

The spelling of 351430394 in words is "three hundred fifty-one million, four hundred thirty thousand, three hundred ninety-four".

Divisors: 1 2 7 14 61 79 122 158 427 553 854 1106 4819 5209 9638 10418 33733 36463 67466 72926 317749 411511 635498 823022 2224243 2880577 4448486 5761154 25102171 50204342 175715197 351430394