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104551881 = 375393937
BaseRepresentation
bin1100011101101…
…01010111001001
321021201210012220
412032311113021
5203231130011
614212524253
72406450660
oct616652711
9237653186
10104551881
1154020415
122b020689
1318878625
14dc57dd7
1592a3506
hex63b55c9

104551881 has 16 divisors (see below), whose sum is σ = 162324864. Its totient is φ = 58616064.

The previous prime is 104551879. The next prime is 104551883. The reversal of 104551881 is 188155401.

It is an interprime number because it is at equal distance from previous prime (104551879) and next prime (104551883).

It is not a de Polignac number, because 104551881 - 21 = 104551879 is a prime.

It is a super-2 number, since 2×1045518812 = 21862191641276322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104551883) 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, 45856 + ... + 48081.

It is an arithmetic number, because the mean of its divisors is an integer number (10145304).

Almost surely, 2104551881 is an apocalyptic number.

It is an amenable number.

104551881 is a deficient number, since it is larger than the sum of its proper divisors (57772983).

104551881 is an equidigital number, since it uses as much as digits as its factorization.

104551881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94000.

The product of its (nonzero) digits is 6400, while the sum is 33.

The square root of 104551881 is about 10225.0614179085. The cubic root of 104551881 is about 471.0973018533.

The spelling of 104551881 in words is "one hundred four million, five hundred fifty-one thousand, eight hundred eighty-one".

Divisors: 1 3 7 21 53 159 371 1113 93937 281811 657559 1972677 4978661 14935983 34850627 104551881