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103881057 = 3783107557
BaseRepresentation
bin1100011000100…
…01100101100001
321020110201000120
412030101211201
5203043143212
614150310453
72400655140
oct614214541
9236421016
10103881057
1153702415
122a958429
13186a21a7
14db21757
1591be88c
hex6311961

103881057 has 32 divisors (see below), whose sum is σ = 161989632. Its totient is φ = 57993024.

The previous prime is 103881053. The next prime is 103881061. The reversal of 103881057 is 750188301.

It is an interprime number because it is at equal distance from previous prime (103881053) and next prime (103881061).

It is not a de Polignac number, because 103881057 - 22 = 103881053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103881053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186223 + ... + 186779.

It is an arithmetic number, because the mean of its divisors is an integer number (5062176).

Almost surely, 2103881057 is an apocalyptic number.

It is an amenable number.

103881057 is a deficient number, since it is larger than the sum of its proper divisors (58108575).

103881057 is a wasteful number, since it uses less digits than its factorization.

103881057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 103881057 is about 10192.2056984737. The cubic root of 103881057 is about 470.0875904356.

The spelling of 103881057 in words is "one hundred three million, eight hundred eighty-one thousand, fifty-seven".

Divisors: 1 3 7 21 83 107 249 321 557 581 749 1671 1743 2247 3899 8881 11697 26643 46231 59599 62167 138693 178797 186501 323617 417193 970851 1251579 4946717 14840151 34627019 103881057