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97631713 = 103993967
BaseRepresentation
bin1011101000110…
…11110111100001
320210201012112101
411310123313201
5144443203323
613404330401
72263566364
oct564336741
9223635471
1097631713
1150124173
1228843a01
13172c485a
14cd760db
158887dad
hex5d1bde1

97631713 has 4 divisors (see below), whose sum is σ = 97726720. Its totient is φ = 97536708.

The previous prime is 97631693. The next prime is 97631717. The reversal of 97631713 is 31713679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31713679 = 191669141.

It is a cyclic number.

It is not a de Polignac number, because 97631713 - 29 = 97631201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97631717) 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, 45945 + ... + 48022.

It is an arithmetic number, because the mean of its divisors is an integer number (24431680).

Almost surely, 297631713 is an apocalyptic number.

It is an amenable number.

97631713 is a deficient number, since it is larger than the sum of its proper divisors (95007).

97631713 is a wasteful number, since it uses less digits than its factorization.

97631713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95006.

The product of its digits is 23814, while the sum is 37.

The square root of 97631713 is about 9880.8761251217. The cubic root of 97631713 is about 460.4653655315.

It can be divided in two parts, 9763 and 1713, that added together give a triangular number (11476 = T151).

The spelling of 97631713 in words is "ninety-seven million, six hundred thirty-one thousand, seven hundred thirteen".

Divisors: 1 1039 93967 97631713