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345852620 = 22517292631
BaseRepresentation
bin10100100111010…
…100101011001100
3220002210010121022
4110213110223030
51202014240440
654152453312
711366461451
oct2447245314
9802703538
10345852620
11168252213
12979aa238
1356863529
1433d0b828
1520569cb5
hex149d4acc

345852620 has 12 divisors (see below), whose sum is σ = 726290544. Its totient is φ = 138341040.

The previous prime is 345852601. The next prime is 345852667. The reversal of 345852620 is 26258543.

It is a super-2 number, since 2×3458526202 = 239228069521728800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8646296 + ... + 8646335.

It is an arithmetic number, because the mean of its divisors is an integer number (60524212).

Almost surely, 2345852620 is an apocalyptic number.

It is an amenable number.

345852620 is an abundant number, since it is smaller than the sum of its proper divisors (380437924).

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

345852620 is a wasteful number, since it uses less digits than its factorization.

345852620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292640 (or 17292638 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 345852620 is about 18597.1132168409. The cubic root of 345852620 is about 701.9352028784.

The spelling of 345852620 in words is "three hundred forty-five million, eight hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 17292631 34585262 69170524 86463155 172926310 345852620