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97934977 = 7217891321
BaseRepresentation
bin1011101011001…
…01111010000001
320211021121112101
411311211322001
5200032404402
613415030401
72266301500
oct565457201
9224247471
1097934977
1150310aa8
122896b401
131739c8ba
14d014837
1588e7b87
hex5d65e81

97934977 has 24 divisors (see below), whose sum is σ = 122073480. Its totient is φ = 78059520.

The previous prime is 97934939. The next prime is 97935007. The reversal of 97934977 is 77943979.

It can be written as a sum of positive squares in 4 ways, for example, as 33918976 + 64016001 = 5824^2 + 8001^2 .

It is a de Polignac number, because none of the positive numbers 2k-97934977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97934917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73477 + ... + 74797.

It is an arithmetic number, because the mean of its divisors is an integer number (5086395).

Almost surely, 297934977 is an apocalyptic number.

It is an amenable number.

97934977 is a deficient number, since it is larger than the sum of its proper divisors (24138503).

97934977 is a wasteful number, since it uses less digits than its factorization.

97934977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1434 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 55.

The square root of 97934977 is about 9896.2102342260. The cubic root of 97934977 is about 460.9416391631.

The spelling of 97934977 in words is "ninety-seven million, nine hundred thirty-four thousand, nine hundred seventy-seven".

Divisors: 1 7 17 49 89 119 623 833 1321 1513 4361 9247 10591 22457 64729 74137 117569 157199 822983 1100393 1998673 5760881 13990711 97934977