Search a number
-
+
56149898 = 274010707
BaseRepresentation
bin1101011000110…
…0011110001010
310220122201011212
43112030132022
5103333244043
65323253122
71251160220
oct326143612
9126581155
1056149898
1129771282
121697a1a2
13b82c6bc
147658b10
154de2018
hex358c78a

56149898 has 8 divisors (see below), whose sum is σ = 96256992. Its totient is φ = 24064236.

The previous prime is 56149889. The next prime is 56149901. The reversal of 56149898 is 89894165.

It is a happy number.

56149898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×561498982 = 6305622090820808, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005340 + ... + 2005367.

It is an arithmetic number, because the mean of its divisors is an integer number (12032124).

Almost surely, 256149898 is an apocalyptic number.

56149898 is a deficient number, since it is larger than the sum of its proper divisors (40107094).

56149898 is a wasteful number, since it uses less digits than its factorization.

56149898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010716.

The product of its digits is 622080, while the sum is 50.

The square root of 56149898 is about 7493.3235616781. The cubic root of 56149898 is about 382.9272949954.

The spelling of 56149898 in words is "fifty-six million, one hundred forty-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 4010707 8021414 28074949 56149898