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93108009 = 3291070207
BaseRepresentation
bin1011000110010…
…11011100101001
320111012101011210
411203023130221
5142313424014
613123343333
72210255631
oct543133451
9214171153
1093108009
1148614475
1227221b49
131639c7c7
14c5196c1
158292859
hex58cb729

93108009 has 8 divisors (see below), whose sum is σ = 128424960. Its totient is φ = 59931536.

The previous prime is 93107981. The next prime is 93108023. The reversal of 93108009 is 90080139.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 93108009 - 25 = 93107977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93108079) 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, 535017 + ... + 535190.

It is an arithmetic number, because the mean of its divisors is an integer number (16053120).

Almost surely, 293108009 is an apocalyptic number.

It is an amenable number.

93108009 is a deficient number, since it is larger than the sum of its proper divisors (35316951).

93108009 is a wasteful number, since it uses less digits than its factorization.

93108009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070239.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 93108009 is about 9649.2491417726. The cubic root of 93108009 is about 453.2408165562.

The spelling of 93108009 in words is "ninety-three million, one hundred eight thousand, nine".

Divisors: 1 3 29 87 1070207 3210621 31036003 93108009