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354520413 = 321323131743
BaseRepresentation
bin10101001000011…
…000110101011101
3220201002111120200
4111020120311131
51211224123123
655102334113
711533242132
oct2510306535
9821074520
10354520413
11172132485
129a88a339
13585a98c0
1435126589
15211cd143
hex15218d5d

354520413 has 24 divisors (see below), whose sum is σ = 575457792. Its totient is φ = 208679328.

The previous prime is 354520391. The next prime is 354520427. The reversal of 354520413 is 314025453.

It is not a de Polignac number, because 354520413 - 25 = 354520381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354520513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63181 + ... + 68562.

It is an arithmetic number, because the mean of its divisors is an integer number (23977408).

Almost surely, 2354520413 is an apocalyptic number.

It is an amenable number.

354520413 is a deficient number, since it is larger than the sum of its proper divisors (220937379).

354520413 is a wasteful number, since it uses less digits than its factorization.

354520413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131785 (or 131782 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 354520413 is about 18828.7124626194. The cubic root of 354520413 is about 707.7508759151.

Adding to 354520413 its reverse (314025453), we get a palindrome (668545866).

The spelling of 354520413 in words is "three hundred fifty-four million, five hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 2691 131743 395229 1185687 1712659 3030089 5137977 9090267 15413931 27270801 39391157 118173471 354520413