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4931797 = 13379369
BaseRepresentation
bin10010110100000011010101
3100021120011011
4102310003111
52230304142
6253412221
756630263
oct22640325
910246134
104931797
112869372
12179a071
131038a30
14925433
15676417
hex4b40d5

4931797 has 4 divisors (see below), whose sum is σ = 5311180. Its totient is φ = 4552416.

The previous prime is 4931783. The next prime is 4931813. The reversal of 4931797 is 7971394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7971394 = 23985697.

It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 1976836 = 1719^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 4931797 - 215 = 4899029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4931497) 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, 189672 + ... + 189697.

It is an arithmetic number, because the mean of its divisors is an integer number (1327795).

Almost surely, 24931797 is an apocalyptic number.

It is an amenable number.

4931797 is a deficient number, since it is larger than the sum of its proper divisors (379383).

4931797 is a wasteful number, since it uses less digits than its factorization.

4931797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379382.

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

The square root of 4931797 is about 2220.7649582970. The cubic root of 4931797 is about 170.2165291645.

The spelling of 4931797 in words is "four million, nine hundred thirty-one thousand, seven hundred ninety-seven".

Divisors: 1 13 379369 4931797