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344902853 = 5325512
BaseRepresentation
bin10100100011101…
…100110011000101
3220000222212202202
4110203230303011
51201243342403
654120244245
711355424451
oct2443546305
9800885682
10344902853
11167763689
1297610685
13565c0139
1433b41661
152042d688
hex148eccc5

344902853 has 6 divisors (see below), whose sum is σ = 351548262. Its totient is φ = 338262600.

The previous prime is 344902847. The next prime is 344902867. The reversal of 344902853 is 358209443.

It can be written as a sum of positive squares in only one way, i.e., 318872449 + 26030404 = 17857^2 + 5102^2 .

It is not a de Polignac number, because 344902853 - 222 = 340708549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344902823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133928 + ... + 136478.

It is an arithmetic number, because the mean of its divisors is an integer number (58591377).

Almost surely, 2344902853 is an apocalyptic number.

It is an amenable number.

344902853 is a deficient number, since it is larger than the sum of its proper divisors (6645409).

344902853 is an frugal number, since it uses more digits than its factorization.

344902853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 344902853 is about 18571.5603275546. The cubic root of 344902853 is about 701.2920714292.

The spelling of 344902853 in words is "three hundred forty-four million, nine hundred two thousand, eight hundred fifty-three".

Divisors: 1 53 2551 135203 6507601 344902853