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354331813 = 112313110691
BaseRepresentation
bin10101000111101…
…010110010100101
3220200201220212111
4111013222302211
51211202104223
655054321021
711531525233
oct2507526245
9820656774
10354331813
11172013810
129a7b9171
1358541ac4
14350b7953
152119230d
hex151eaca5

354331813 has 16 divisors (see below), whose sum is σ = 406467072. Its totient is φ = 305734000.

The previous prime is 354331801. The next prime is 354331823. The reversal of 354331813 is 318133453.

It is a de Polignac number, because none of the positive numbers 2k-354331813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354331823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27798 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (25404192).

Almost surely, 2354331813 is an apocalyptic number.

It is an amenable number.

354331813 is a deficient number, since it is larger than the sum of its proper divisors (52135259).

354331813 is a wasteful number, since it uses less digits than its factorization.

354331813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856.

The product of its digits is 12960, while the sum is 31.

The square root of 354331813 is about 18823.7034878899. The cubic root of 354331813 is about 707.6253490648.

The spelling of 354331813 in words is "three hundred fifty-four million, three hundred thirty-one thousand, eight hundred thirteen".

Divisors: 1 11 23 131 253 1441 3013 10691 33143 117601 245893 1400521 2704823 15405731 32211983 354331813