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89730157 = 1143318839
BaseRepresentation
bin1010101100100…
…10110001101101
320020211202122011
411112102301231
5140432331112
612523121221
72136456646
oct526226155
9206752564
1089730157
1146717660
1226073211
131578918a
14bcba6cd
157d26aa7
hex5592c6d

89730157 has 8 divisors (see below), whose sum is σ = 98118720. Its totient is φ = 81380160.

The previous prime is 89730133. The next prime is 89730167. The reversal of 89730157 is 75103798.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89730157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89730167) 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, 4657 + ... + 14182.

It is an arithmetic number, because the mean of its divisors is an integer number (12264840).

Almost surely, 289730157 is an apocalyptic number.

It is an amenable number.

89730157 is a deficient number, since it is larger than the sum of its proper divisors (8388563).

89730157 is a wasteful number, since it uses less digits than its factorization.

89730157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19283.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 89730157 is about 9472.6003293710. The cubic root of 89730157 is about 447.6921463999.

The spelling of 89730157 in words is "eighty-nine million, seven hundred thirty thousand, one hundred fifty-seven".

Divisors: 1 11 433 4763 18839 207229 8157287 89730157