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103457013 = 31123314397
BaseRepresentation
bin1100010101010…
…10000011110101
321012200011100020
412022222003311
5202441111023
614133235353
72364240642
oct612520365
9235604306
10103457013
1153442870
122a792b59
131858418a
14da50dc9
159138de3
hex62aa0f5

103457013 has 32 divisors (see below), whose sum is σ = 162127872. Its totient is φ = 58027200.

The previous prime is 103456963. The next prime is 103457017. The reversal of 103457013 is 310754301.

It is not a de Polignac number, because 103457013 - 212 = 103452917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103457017) 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 31 ways as a sum of consecutive naturals, for example, 21331 + ... + 25727.

It is an arithmetic number, because the mean of its divisors is an integer number (5066496).

Almost surely, 2103457013 is an apocalyptic number.

It is an amenable number.

103457013 is a deficient number, since it is larger than the sum of its proper divisors (58670859).

103457013 is a wasteful number, since it uses less digits than its factorization.

103457013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 103457013 is about 10171.3820594843. The cubic root of 103457013 is about 469.4470833081.

The spelling of 103457013 in words is "one hundred three million, four hundred fifty-seven thousand, thirteen".

Divisors: 1 3 11 23 31 33 69 93 253 341 713 759 1023 2139 4397 7843 13191 23529 48367 101131 136307 145101 303393 408921 1112441 1499377 3135061 3337323 4498131 9405183 34485671 103457013