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88005005 = 51117611543
BaseRepresentation
bin1010011111011…
…01100110001101
320010121010011122
411033231212031
5140012130010
612422130325
72116013234
oct517554615
9203533148
1088005005
1145749510
12255809a5
1315303b8a
14b98bb1b
157ad5855
hex53ed98d

88005005 has 32 divisors (see below), whose sum is σ = 124063488. Its totient is φ = 59212800.

The previous prime is 88004993. The next prime is 88005007. The reversal of 88005005 is 50050088.

It is not a de Polignac number, because 88005005 - 24 = 88004989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88005007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56264 + ... + 57806.

It is an arithmetic number, because the mean of its divisors is an integer number (3876984).

Almost surely, 288005005 is an apocalyptic number.

88005005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

88005005 is a deficient number, since it is larger than the sum of its proper divisors (36058483).

88005005 is a wasteful number, since it uses less digits than its factorization.

88005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 88005005 is about 9381.0982832502. The cubic root of 88005005 is about 444.8044505452.

The spelling of 88005005 in words is "eighty-eight million, five thousand, five".

Divisors: 1 5 11 17 55 61 85 187 305 671 935 1037 1543 3355 5185 7715 11407 16973 26231 57035 84865 94123 131155 288541 470615 1035353 1442705 1600091 5176765 8000455 17601001 88005005