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89238970 = 258923897
BaseRepresentation
bin1010101000110…
…10110110111010
320012220210212001
411110122312322
5140321121340
612504411214
72132342632
oct524326672
9205823761
1089238970
1146411617
1225a76b0a
1315646732
14bbcd6c2
157c7b29a
hex551adba

89238970 has 8 divisors (see below), whose sum is σ = 160630164. Its totient is φ = 35695584.

The previous prime is 89238937. The next prime is 89238971. The reversal of 89238970 is 7983298.

It can be written as a sum of positive squares in 2 ways, for example, as 88906041 + 332929 = 9429^2 + 577^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 89238970.

It is not an unprimeable number, because it can be changed into a prime (89238971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4461939 + ... + 4461958.

Almost surely, 289238970 is an apocalyptic number.

89238970 is a deficient number, since it is larger than the sum of its proper divisors (71391194).

89238970 is a wasteful number, since it uses less digits than its factorization.

89238970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923904.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 89238970 is about 9446.6380263033. The cubic root of 89238970 is about 446.8737554858.

The spelling of 89238970 in words is "eighty-nine million, two hundred thirty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 8923897 17847794 44619485 89238970