Search a number
-
+
56906797 = 59995003
BaseRepresentation
bin1101100100010…
…1010000101101
310222002011110011
43121011100231
5104032004142
65351413221
71260462013
oct331052055
9128064404
1056906797
112a138a12
1217084211
13ba3607c
1477b48b3
154ee1417
hex364542d

56906797 has 4 divisors (see below), whose sum is σ = 57002400. Its totient is φ = 56811196.

The previous prime is 56906783. The next prime is 56906813. The reversal of 56906797 is 79760965.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79760965 = 515952193.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56906797 is a prime.

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 56906797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56906737) 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, 46903 + ... + 48100.

It is an arithmetic number, because the mean of its divisors is an integer number (14250600).

Almost surely, 256906797 is an apocalyptic number.

It is an amenable number.

56906797 is a deficient number, since it is larger than the sum of its proper divisors (95603).

56906797 is an equidigital number, since it uses as much as digits as its factorization.

56906797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95602.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 56906797 is about 7543.6593905080. The cubic root of 56906797 is about 384.6402373776.

The spelling of 56906797 in words is "fifty-six million, nine hundred six thousand, seven hundred ninety-seven".

Divisors: 1 599 95003 56906797