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56951101 = 151137691
BaseRepresentation
bin1101100101000…
…0000100111101
310222011102020001
43121100010331
5104034413401
65352354301
71261035124
oct331200475
9128142201
1056951101
112a169229
12170a5991
13ba5029c
1477c6abb
154eee601
hex365013d

56951101 has 4 divisors (see below), whose sum is σ = 56990304. Its totient is φ = 56911900.

The previous prime is 56951093. The next prime is 56951129. The reversal of 56951101 is 10115965.

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 56951101 - 23 = 56951093 is a prime.

It is a super-2 number, since 2×569511012 = 6486855810224402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56951101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56951131) 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, 17335 + ... + 20356.

It is an arithmetic number, because the mean of its divisors is an integer number (14247576).

Almost surely, 256951101 is an apocalyptic number.

It is an amenable number.

56951101 is a deficient number, since it is larger than the sum of its proper divisors (39203).

56951101 is a wasteful number, since it uses less digits than its factorization.

56951101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39202.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 56951101 is about 7546.5953250456. The cubic root of 56951101 is about 384.7400302642.

The spelling of 56951101 in words is "fifty-six million, nine hundred fifty-one thousand, one hundred one".

Divisors: 1 1511 37691 56951101