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93919161 = 374472341
BaseRepresentation
bin1011001100100…
…01011110111001
320112201120212110
411212101132321
5143020403121
613153002533
72220204540
oct546213671
9215646773
1093919161
1149018946
1227553449
13165c4a8b
14c68b157
1583a2d76
hex59917b9

93919161 has 8 divisors (see below), whose sum is σ = 143114944. Its totient is φ = 53668080.

The previous prime is 93919157. The next prime is 93919171. The reversal of 93919161 is 16191939.

It is a happy number.

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

It is not a de Polignac number, because 93919161 - 22 = 93919157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93919171) 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, 2236150 + ... + 2236191.

It is an arithmetic number, because the mean of its divisors is an integer number (17889368).

Almost surely, 293919161 is an apocalyptic number.

It is an amenable number.

93919161 is a deficient number, since it is larger than the sum of its proper divisors (49195783).

93919161 is a wasteful number, since it uses less digits than its factorization.

93919161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472351.

The product of its digits is 13122, while the sum is 39.

The square root of 93919161 is about 9691.1898650269. The cubic root of 93919161 is about 454.5532159778.

It can be divided in two parts, 939 and 19161, that added together give a triangular number (20100 = T200).

The spelling of 93919161 in words is "ninety-three million, nine hundred nineteen thousand, one hundred sixty-one".

Divisors: 1 3 7 21 4472341 13417023 31306387 93919161