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97630297 = 857113921
BaseRepresentation
bin1011101000110…
…11100001011001
320210201010120221
411310123201121
5144443132142
613404320041
72263562302
oct564334131
9223633527
1097630297
11501230a6
1228843021
13172c400b
14cd757a9
158887767
hex5d1b859

97630297 has 4 divisors (see below), whose sum is σ = 97745076. Its totient is φ = 97515520.

The previous prime is 97630289. The next prime is 97630363. The reversal of 97630297 is 79203679.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62394201 + 35236096 = 7899^2 + 5936^2 .

It is a cyclic number.

It is not a de Polignac number, because 97630297 - 23 = 97630289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97630217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56104 + ... + 57817.

It is an arithmetic number, because the mean of its divisors is an integer number (24436269).

Almost surely, 297630297 is an apocalyptic number.

It is an amenable number.

97630297 is a deficient number, since it is larger than the sum of its proper divisors (114779).

97630297 is a wasteful number, since it uses less digits than its factorization.

97630297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114778.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 97630297 is about 9880.8044712969. The cubic root of 97630297 is about 460.4631394034.

The spelling of 97630297 in words is "ninety-seven million, six hundred thirty thousand, two hundred ninety-seven".

Divisors: 1 857 113921 97630297