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56998801 = 311838671
BaseRepresentation
bin1101100101101…
…1101110010001
310222020211122201
43121123232101
5104042430201
65353403201
71261324156
oct331335621
9128224581
1056998801
112a1a1052
1217109501
13ba68c02
1477da22d
15500d801
hex365bb91

56998801 has 4 divisors (see below), whose sum is σ = 58837504. Its totient is φ = 55160100.

The previous prime is 56998783. The next prime is 56998811. The reversal of 56998801 is 10889965.

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.

It is a cyclic number.

It is not a de Polignac number, because 56998801 - 29 = 56998289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56998811) 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, 919305 + ... + 919366.

It is an arithmetic number, because the mean of its divisors is an integer number (14709376).

Almost surely, 256998801 is an apocalyptic number.

It is an amenable number.

56998801 is a deficient number, since it is larger than the sum of its proper divisors (1838703).

56998801 is a wasteful number, since it uses less digits than its factorization.

56998801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838702.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 56998801 is about 7549.7550291384. The cubic root of 56998801 is about 384.8474146568.

The spelling of 56998801 in words is "fifty-six million, nine hundred ninety-eight thousand, eight hundred one".

Divisors: 1 31 1838671 56998801