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897023732 = 221120386903
BaseRepresentation
bin110101011101110…
…111111011110100
32022111220112020012
4311131313323310
53314114224412
6225002155352
731141401353
oct6535677364
92274815205
10897023732
1142038a230
122104b2b58
13113ac3a97
14871c399a
1553b3ec22
hex35777ef4

897023732 has 12 divisors (see below), whose sum is σ = 1712499936. Its totient is φ = 407738040.

The previous prime is 897023653. The next prime is 897023741. The reversal of 897023732 is 237320798.

It is a self number, because there is not a number n which added to its sum of digits gives 897023732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10193408 + ... + 10193495.

It is an arithmetic number, because the mean of its divisors is an integer number (142708328).

Almost surely, 2897023732 is an apocalyptic number.

It is an amenable number.

897023732 is a deficient number, since it is larger than the sum of its proper divisors (815476204).

897023732 is a wasteful number, since it uses less digits than its factorization.

897023732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386918 (or 20386916 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 897023732 is about 29950.3544553316. The cubic root of 897023732 is about 964.4239295783.

The spelling of 897023732 in words is "eight hundred ninety-seven million, twenty-three thousand, seven hundred thirty-two".

Divisors: 1 2 4 11 22 44 20386903 40773806 81547612 224255933 448511866 897023732