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97133385 = 3531208889
BaseRepresentation
bin1011100101000…
…10001101001001
320202202212221210
411302202031021
5144331232020
613345523333
72256422466
oct562421511
9222685853
1097133385
114a913828
1228643549
131717ba9b
14cc8666d
1587da3e0
hex5ca2349

97133385 has 16 divisors (see below), whose sum is σ = 160427520. Its totient is φ = 50133120.

The previous prime is 97133369. The next prime is 97133389. The reversal of 97133385 is 58333179.

It is not a de Polignac number, because 97133385 - 24 = 97133369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97133389) 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, 103980 + ... + 104909.

It is an arithmetic number, because the mean of its divisors is an integer number (10026720).

Almost surely, 297133385 is an apocalyptic number.

It is an amenable number.

97133385 is a deficient number, since it is larger than the sum of its proper divisors (63294135).

97133385 is a wasteful number, since it uses less digits than its factorization.

97133385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208928.

The product of its digits is 68040, while the sum is 39.

The square root of 97133385 is about 9855.6270728960. The cubic root of 97133385 is about 459.6805990062.

The spelling of 97133385 in words is "ninety-seven million, one hundred thirty-three thousand, three hundred eighty-five".

Divisors: 1 3 5 15 31 93 155 465 208889 626667 1044445 3133335 6475559 19426677 32377795 97133385