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88700072 = 2311087509
BaseRepresentation
bin1010100100101…
…11010010101000
320011220102121212
411102113102220
5140201400242
612445052252
72124636536
oct522272250
9204812555
1088700072
114608374a
1225857088
13154b8366
14bacd156
157bc1782
hex54974a8

88700072 has 8 divisors (see below), whose sum is σ = 166312650. Its totient is φ = 44350032.

The previous prime is 88700057. The next prime is 88700089. The reversal of 88700072 is 27000788.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 59691076 + 29008996 = 7726^2 + 5386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5543747 + ... + 5543762.

Almost surely, 288700072 is an apocalyptic number.

It is an amenable number.

88700072 is a deficient number, since it is larger than the sum of its proper divisors (77612578).

88700072 is a wasteful number, since it uses less digits than its factorization.

88700072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087515 (or 11087511 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 88700072 is about 9418.0715648162. The cubic root of 88700072 is about 445.9724087579.

The spelling of 88700072 in words is "eighty-eight million, seven hundred thousand, seventy-two".

Divisors: 1 2 4 8 11087509 22175018 44350036 88700072