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354545939 = 1132231449
BaseRepresentation
bin10101001000011…
…111000100010011
3220201010210121002
4111020133010103
51211230432224
655103052215
711533406426
oct2510370423
9821123532
10354545939
1117214a680
129a8a106b
13585b83c7
14351319bd
15211d59ae
hex1521f113

354545939 has 4 divisors (see below), whose sum is σ = 386777400. Its totient is φ = 322314480.

The previous prime is 354545929. The next prime is 354545941. The reversal of 354545939 is 939545453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 354545939 - 24 = 354545923 is a prime.

It is a super-2 number, since 2×3545459392 = 251405645722783442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354545893 and 354545902.

It is not an unprimeable number, because it can be changed into a prime (354545929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16115714 + ... + 16115735.

It is an arithmetic number, because the mean of its divisors is an integer number (96694350).

Almost surely, 2354545939 is an apocalyptic number.

354545939 is a deficient number, since it is larger than the sum of its proper divisors (32231461).

354545939 is a wasteful number, since it uses less digits than its factorization.

354545939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231460.

The product of its digits is 1458000, while the sum is 47.

The square root of 354545939 is about 18829.3902981483. The cubic root of 354545939 is about 707.7678618813.

The spelling of 354545939 in words is "three hundred fifty-four million, five hundred forty-five thousand, nine hundred thirty-nine".

Divisors: 1 11 32231449 354545939