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4913977 = 6180557
BaseRepresentation
bin10010101111101100111001
3100020122201011
4102233230321
52224221402
6253153521
756524315
oct22575471
910218634
104913977
112856a42
12178b8a1
1310308a3
1491cb45
15670ed7
hex4afb39

4913977 has 4 divisors (see below), whose sum is σ = 4994596. Its totient is φ = 4833360.

The previous prime is 4913971. The next prime is 4913999. The reversal of 4913977 is 7793194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7793194 = 23896597.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 3701776 = 1101^2 + 1924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4913977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4913971) 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, 40218 + ... + 40339.

It is an arithmetic number, because the mean of its divisors is an integer number (1248649).

Almost surely, 24913977 is an apocalyptic number.

It is an amenable number.

4913977 is a deficient number, since it is larger than the sum of its proper divisors (80619).

4913977 is an equidigital number, since it uses as much as digits as its factorization.

4913977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80618.

The product of its digits is 47628, while the sum is 40.

The square root of 4913977 is about 2216.7491964586. The cubic root of 4913977 is about 170.0112679959.

The spelling of 4913977 in words is "four million, nine hundred thirteen thousand, nine hundred seventy-seven".

Divisors: 1 61 80557 4913977