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897023733 = 31276413673
BaseRepresentation
bin110101011101110…
…111111011110101
32022111220112020020
4311131313323311
53314114224413
6225002155353
731141401354
oct6535677365
92274815206
10897023733
1142038a231
122104b2b59
13113ac3a98
14871c399b
1553b3ec23
hex35777ef5

897023733 has 16 divisors (see below), whose sum is σ = 1207658496. Its totient is φ = 592220160.

The previous prime is 897023653. The next prime is 897023741. The reversal of 897023733 is 337320798.

It is not a de Polignac number, because 897023733 - 29 = 897023221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897023753) 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, 242385 + ... + 246057.

It is an arithmetic number, because the mean of its divisors is an integer number (75478656).

Almost surely, 2897023733 is an apocalyptic number.

It is an amenable number.

897023733 is a deficient number, since it is larger than the sum of its proper divisors (310634763).

897023733 is a wasteful number, since it uses less digits than its factorization.

897023733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 897023733 is about 29950.3544720259. The cubic root of 897023733 is about 964.4239299367.

The spelling of 897023733 in words is "eight hundred ninety-seven million, twenty-three thousand, seven hundred thirty-three".

Divisors: 1 3 127 381 641 1923 3673 11019 81407 244221 466471 1399413 2354393 7063179 299007911 897023733