Search a number
-
+
97493641 = 713927663
BaseRepresentation
bin1011100111110…
…10001010001001
320210110012010121
411303322022021
5144424244031
613401343241
72262453010
oct563721211
9223405117
1097493641
115003a463
1228797b21
1317276a5b
14cd3ba77
15885c011
hex5cfa289

97493641 has 4 divisors (see below), whose sum is σ = 111421312. Its totient is φ = 83565972.

The previous prime is 97493609. The next prime is 97493653. The reversal of 97493641 is 14639479.

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: 14639479 = 43340453.

It is not a de Polignac number, because 97493641 - 25 = 97493609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97493141) 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, 6963825 + ... + 6963838.

It is an arithmetic number, because the mean of its divisors is an integer number (27855328).

Almost surely, 297493641 is an apocalyptic number.

It is an amenable number.

97493641 is a deficient number, since it is larger than the sum of its proper divisors (13927671).

97493641 is a wasteful number, since it uses less digits than its factorization.

97493641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927670.

The product of its digits is 163296, while the sum is 43.

The square root of 97493641 is about 9873.8868233336. The cubic root of 97493641 is about 460.2481978162.

The spelling of 97493641 in words is "ninety-seven million, four hundred ninety-three thousand, six hundred forty-one".

Divisors: 1 7 13927663 97493641