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97703131 = 1710952727
BaseRepresentation
bin1011101001011…
…01010011011011
320210211211111111
411310231103123
5200003000011
613410041151
72264314531
oct564552333
9223754444
1097703131
1150172899
12288791b7
131731b206
14cd94151
15889e121
hex5d2d4db

97703131 has 8 divisors (see below), whose sum is σ = 104401440. Its totient is φ = 91110528.

The previous prime is 97703129. The next prime is 97703159. The reversal of 97703131 is 13130779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97703131 - 21 = 97703129 is a prime.

It is a super-2 number, since 2×977031312 = 19091803614406322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97703093 and 97703102.

It is not an unprimeable number, because it can be changed into a prime (97703231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24511 + ... + 28216.

It is an arithmetic number, because the mean of its divisors is an integer number (13050180).

Almost surely, 297703131 is an apocalyptic number.

97703131 is the 6252-nd centered pentagonal number.

97703131 is a deficient number, since it is larger than the sum of its proper divisors (6698309).

97703131 is a wasteful number, since it uses less digits than its factorization.

97703131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52853.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 97703131 is about 9884.4894152404. The cubic root of 97703131 is about 460.5776156024.

The spelling of 97703131 in words is "ninety-seven million, seven hundred three thousand, one hundred thirty-one".

Divisors: 1 17 109 1853 52727 896359 5747243 97703131