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97897933 = 725933863
BaseRepresentation
bin1011101010111…
…00110111001101
320211012201201101
411311130313031
5200030213213
613414143101
72266055500
oct565346715
9224181641
1097897933
1150296191
1228951a91
1317388a93
14d005137
1588dbbdd
hex5d5cdcd

97897933 has 12 divisors (see below), whose sum is σ = 115814880. Its totient is φ = 82487832.

The previous prime is 97897931. The next prime is 97897973. The reversal of 97897933 is 33979879.

It is not a de Polignac number, because 97897933 - 21 = 97897931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97897931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14041 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (9651240).

Almost surely, 297897933 is an apocalyptic number.

It is an amenable number.

97897933 is a deficient number, since it is larger than the sum of its proper divisors (17916947).

97897933 is a wasteful number, since it uses less digits than its factorization.

97897933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33936 (or 33929 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 55.

The square root of 97897933 is about 9894.3384316487. The cubic root of 97897933 is about 460.8835146266.

The spelling of 97897933 in words is "ninety-seven million, eight hundred ninety-seven thousand, nine hundred thirty-three".

Divisors: 1 7 49 59 413 2891 33863 237041 1659287 1997917 13985419 97897933