Search a number
-
+
97630061 = 412381221
BaseRepresentation
bin1011101000110…
…11011101101101
320210201010021012
411310123131231
5144443130221
613404315005
72263561514
oct564333555
9223633235
1097630061
1150122a01
1228842a65
13172c3b89
14cd7567b
15888765b
hex5d1b76d

97630061 has 4 divisors (see below), whose sum is σ = 100011324. Its totient is φ = 95248800.

The previous prime is 97630033. The next prime is 97630097. The reversal of 97630061 is 16003679.

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 27237961 + 70392100 = 5219^2 + 8390^2 .

It is a cyclic number.

It is not a de Polignac number, because 97630061 - 218 = 97367917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97630261) 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 3 ways as a sum of consecutive naturals, for example, 1190570 + ... + 1190651.

It is an arithmetic number, because the mean of its divisors is an integer number (25002831).

Almost surely, 297630061 is an apocalyptic number.

It is an amenable number.

97630061 is a deficient number, since it is larger than the sum of its proper divisors (2381263).

97630061 is a wasteful number, since it uses less digits than its factorization.

97630061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381262.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 97630061 is about 9880.7925289422. The cubic root of 97630061 is about 460.4627683799.

The spelling of 97630061 in words is "ninety-seven million, six hundred thirty thousand, sixty-one".

Divisors: 1 41 2381221 97630061