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88640852 = 22194128447
BaseRepresentation
bin1010100100010…
…00110101010100
320011210102101112
411102020311110
5140143001402
612443514152
72124302066
oct522106524
9204712345
1088640852
1146043203
1225828958
1315497411
14bab5736
157bade52
hex5488d54

88640852 has 24 divisors (see below), whose sum is σ = 167274240. Its totient is φ = 40962240.

The previous prime is 88640843. The next prime is 88640861. The reversal of 88640852 is 25804688.

It is an interprime number because it is at equal distance from previous prime (88640843) and next prime (88640861).

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11108 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (6969760).

Almost surely, 288640852 is an apocalyptic number.

88640852 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

88640852 is a deficient number, since it is larger than the sum of its proper divisors (78633388).

88640852 is a wasteful number, since it uses less digits than its factorization.

88640852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28511 (or 28509 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 88640852 is about 9414.9270841574. The cubic root of 88640852 is about 445.8731365129.

The spelling of 88640852 in words is "eighty-eight million, six hundred forty thousand, eight hundred fifty-two".

Divisors: 1 2 4 19 38 41 76 82 164 779 1558 3116 28447 56894 113788 540493 1080986 1166327 2161972 2332654 4665308 22160213 44320426 88640852