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345494508 = 223431394817
BaseRepresentation
bin10100100101111…
…101001111101100
3220002002221100220
4110211331033230
51201421311013
654141051340
711363440422
oct2445751754
9802087326
10345494508
11168028157
1297856b50
1356769528
1433c57112
15204e8b23
hex1497d3ec

345494508 has 48 divisors (see below), whose sum is σ = 831008640. Its totient is φ = 111654144.

The previous prime is 345494507. The next prime is 345494543. The reversal of 345494508 is 805494543.

It is a self number, because there is not a number n which added to its sum of digits gives 345494508.

It is not an unprimeable number, because it can be changed into a prime (345494507) by changing a digit.

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, 69316 + ... + 74132.

It is an arithmetic number, because the mean of its divisors is an integer number (17312680).

Almost surely, 2345494508 is an apocalyptic number.

It is an amenable number.

345494508 is an abundant number, since it is smaller than the sum of its proper divisors (485514132).

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

345494508 is a wasteful number, since it uses less digits than its factorization.

345494508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 345494508 is about 18587.4825621976. The cubic root of 345494508 is about 701.6928470161.

The spelling of 345494508 in words is "three hundred forty-five million, four hundred ninety-four thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 43 86 129 139 172 258 278 417 516 556 834 1668 4817 5977 9634 11954 14451 17931 19268 23908 28902 35862 57804 71724 207131 414262 621393 669563 828524 1242786 1339126 2008689 2485572 2678252 4017378 8034756 28791209 57582418 86373627 115164836 172747254 345494508