Search a number
-
+
9142957 = 174711443
BaseRepresentation
bin100010111000…
…001010101101
3122012111210001
4202320022231
54320033312
6523544301
7140466565
oct42701255
918174701
109142957
11518526a
12308b091
131b81745
1412ddda5
15c09057
hex8b82ad

9142957 has 8 divisors (see below), whose sum is σ = 9887616. Its totient is φ = 8421312.

The previous prime is 9142949. The next prime is 9142963. The reversal of 9142957 is 7592419.

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 9142957 - 23 = 9142949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4923 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (1235952).

Almost surely, 29142957 is an apocalyptic number.

It is an amenable number.

9142957 is a deficient number, since it is larger than the sum of its proper divisors (744659).

9142957 is a wasteful number, since it uses less digits than its factorization.

9142957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507.

The product of its digits is 22680, while the sum is 37.

The square root of 9142957 is about 3023.7322963516. The cubic root of 9142957 is about 209.1039446934.

The spelling of 9142957 in words is "nine million, one hundred forty-two thousand, nine hundred fifty-seven".

Divisors: 1 17 47 799 11443 194531 537821 9142957