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88475990 = 2517520447
BaseRepresentation
bin1010100011000…
…00100101010110
320011111001020112
411101200211112
5140122212430
612440203022
72123014331
oct521404526
9204431215
1088475990
1145a40359
1225769472
131543a375
14ba71618
157b7a195
hex5460956

88475990 has 16 divisors (see below), whose sum is σ = 168625152. Its totient is φ = 33308544.

The previous prime is 88475929. The next prime is 88475999. The reversal of 88475990 is 9957488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88475999) by changing a digit.

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, 260054 + ... + 260393.

It is an arithmetic number, because the mean of its divisors is an integer number (10539072).

Almost surely, 288475990 is an apocalyptic number.

88475990 is a deficient number, since it is larger than the sum of its proper divisors (80149162).

88475990 is a wasteful number, since it uses less digits than its factorization.

88475990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520471.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 88475990 is about 9406.1676574469. The cubic root of 88475990 is about 445.5965403595.

The spelling of 88475990 in words is "eighty-eight million, four hundred seventy-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 17 34 85 170 520447 1040894 2602235 5204470 8847599 17695198 44237995 88475990