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88478980 = 22511873727
BaseRepresentation
bin1010100011000…
…01010100000100
320011111012100021
411101201110010
5140122311410
612440224524
72123026132
oct521412404
9204435307
1088478980
1145a42627
122576b144
131543b835
14ba72752
157b7aeda
hex5461504

88478980 has 24 divisors (see below), whose sum is σ = 186012288. Its totient is φ = 35352288.

The previous prime is 88478977. The next prime is 88478981. The reversal of 88478980 is 8987488.

It is not an unprimeable number, because it can be changed into a prime (88478981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21877 + ... + 25603.

It is an arithmetic number, because the mean of its divisors is an integer number (7750512).

Almost surely, 288478980 is an apocalyptic number.

It is an amenable number.

88478980 is an abundant number, since it is smaller than the sum of its proper divisors (97533308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88478980 is a wasteful number, since it uses less digits than its factorization.

88478980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 88478980 is about 9406.3265943725. The cubic root of 88478980 is about 445.6015598706.

The spelling of 88478980 in words is "eighty-eight million, four hundred seventy-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1187 2374 3727 4748 5935 7454 11870 14908 18635 23740 37270 74540 4423949 8847898 17695796 22119745 44239490 88478980