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89745970 = 258974597
BaseRepresentation
bin1010101100101…
…10101000110010
320020212120022211
411112112220302
5140433332340
612523322334
72136554026
oct526265062
9206776284
1089745970
1146728526
12260803aa
1315793432
14bcc2386
157d2b5ea
hex5596a32

89745970 has 8 divisors (see below), whose sum is σ = 161542764. Its totient is φ = 35898384.

The previous prime is 89745893. The next prime is 89745989. The reversal of 89745970 is 7954798.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89094721 + 651249 = 9439^2 + 807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4487289 + ... + 4487308.

Almost surely, 289745970 is an apocalyptic number.

89745970 is a deficient number, since it is larger than the sum of its proper divisors (71796794).

89745970 is a wasteful number, since it uses less digits than its factorization.

89745970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974604.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 89745970 is about 9473.4349630955. The cubic root of 89745970 is about 447.7184435421.

The spelling of 89745970 in words is "eighty-nine million, seven hundred forty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 8974597 17949194 44872985 89745970