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97380933 = 31312719661
BaseRepresentation
bin1011100110111…
…10101001000101
320210020110112020
411303132221011
5144412142213
613355113353
72261503266
oct563365105
9223213466
1097380933
114aa72811
1228742859
1317237670
14cd0c96d
158838923
hex5cdea45

97380933 has 16 divisors (see below), whose sum is σ = 140937216. Its totient is φ = 59451840.

The previous prime is 97380917. The next prime is 97380937. The reversal of 97380933 is 33908379.

It is a happy number.

It is not a de Polignac number, because 97380933 - 24 = 97380917 is a prime.

It is a super-2 number, since 2×973809332 = 18966092223900978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97380937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4878 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (8808576).

Almost surely, 297380933 is an apocalyptic number.

It is an amenable number.

97380933 is a deficient number, since it is larger than the sum of its proper divisors (43556283).

97380933 is a wasteful number, since it uses less digits than its factorization.

97380933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19804.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 97380933 is about 9868.1777953176. The cubic root of 97380933 is about 460.0707720348.

The spelling of 97380933 in words is "ninety-seven million, three hundred eighty thousand, nine hundred thirty-three".

Divisors: 1 3 13 39 127 381 1651 4953 19661 58983 255593 766779 2496947 7490841 32460311 97380933