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345250146 = 23139503823
BaseRepresentation
bin10100100101000…
…001100101100010
3220001122112011110
4110211001211202
51201341001041
654131524150
711361402123
oct2445014542
9801575143
10345250146
111679805aa
1297759656
13566b2237
1433bd204a
152049b516
hex14941962

345250146 has 32 divisors (see below), whose sum is σ = 697697280. Its totient is φ = 113889744.

The previous prime is 345250141. The next prime is 345250151. The reversal of 345250146 is 641052543.

It is an interprime number because it is at equal distance from previous prime (345250141) and next prime (345250151).

It is not an unprimeable number, because it can be changed into a prime (345250141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419091 + ... + 419913.

It is an arithmetic number, because the mean of its divisors is an integer number (21803040).

Almost surely, 2345250146 is an apocalyptic number.

345250146 is an abundant number, since it is smaller than the sum of its proper divisors (352447134).

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

345250146 is a wasteful number, since it uses less digits than its factorization.

345250146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 345250146 is about 18580.9081048263. The cubic root of 345250146 is about 701.5273764566.

The spelling of 345250146 in words is "three hundred forty-five million, two hundred fifty thousand, one hundred forty-six".

Divisors: 1 2 3 6 139 278 417 503 823 834 1006 1509 1646 2469 3018 4938 69917 114397 139834 209751 228794 343191 413969 419502 686382 827938 1241907 2483814 57541691 115083382 172625073 345250146