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345907146 = 231320832129
BaseRepresentation
bin10100100111100…
…001111111001010
3220002212220101210
4110213201333022
51202023012041
654153553550
711400106434
oct2447417712
9802786353
10345907146
1116828a182
1297a158b6
13568822b0
1433d23654
152057b016
hex149e1fca

345907146 has 32 divisors (see below), whose sum is σ = 745738560. Its totient is φ = 106331904.

The previous prime is 345907129. The next prime is 345907151. The reversal of 345907146 is 641709543.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161410 + ... + 163538.

It is an arithmetic number, because the mean of its divisors is an integer number (23304330).

Almost surely, 2345907146 is an apocalyptic number.

345907146 is an abundant number, since it is smaller than the sum of its proper divisors (399831414).

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

345907146 is a wasteful number, since it uses less digits than its factorization.

345907146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 345907146 is about 18598.5791392784. The cubic root of 345907146 is about 701.9720892143.

The spelling of 345907146 in words is "three hundred forty-five million, nine hundred seven thousand, one hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 2083 2129 4166 4258 6249 6387 12498 12774 27079 27677 54158 55354 81237 83031 162474 166062 4434707 8869414 13304121 26608242 57651191 115302382 172953573 345907146