Search a number
-
+
56842151 = 229401619
BaseRepresentation
bin1101100011010…
…1011110100111
310221221212202212
43120311132213
5104022422101
65350154035
71260102362
oct330653647
9127855685
1056842151
112a0a4393
121705291b
13ba12812
1477990d9
154ecc1bb
hex36357a7

56842151 has 8 divisors (see below), whose sum is σ = 57325200. Its totient is φ = 56361600.

The previous prime is 56842099. The next prime is 56842187. The reversal of 56842151 is 15124865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56842151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56847151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91520 + ... + 92138.

It is an arithmetic number, because the mean of its divisors is an integer number (7165650).

Almost surely, 256842151 is an apocalyptic number.

56842151 is a deficient number, since it is larger than the sum of its proper divisors (483049).

56842151 is a wasteful number, since it uses less digits than its factorization.

With its successor (56842152) it forms an eRAP, since the sums of their prime factors are consecutive (1249 and 1250).

56842151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its digits is 9600, while the sum is 32.

The square root of 56842151 is about 7539.3733824503. The cubic root of 56842151 is about 384.4945320270.

The spelling of 56842151 in words is "fifty-six million, eight hundred forty-two thousand, one hundred fifty-one".

Divisors: 1 229 401 619 91829 141751 248219 56842151