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5038831 = 7719833
BaseRepresentation
bin10011001110001011101111
3100110222222101
4103032023233
52242220311
6255555531
760554320
oct23161357
910428871
105038831
112931826
12182bba7
131075675
14952447
15697ec1
hex4ce2ef

5038831 has 4 divisors (see below), whose sum is σ = 5758672. Its totient is φ = 4318992.

The previous prime is 5038811. The next prime is 5038841. The reversal of 5038831 is 1388305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5038831 - 211 = 5036783 is a prime.

It is a super-2 number, since 2×50388312 = 50779635693122, 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 5038831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5038801) 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, 359910 + ... + 359923.

It is an arithmetic number, because the mean of its divisors is an integer number (1439668).

Almost surely, 25038831 is an apocalyptic number.

5038831 is a deficient number, since it is larger than the sum of its proper divisors (719841).

5038831 is an equidigital number, since it uses as much as digits as its factorization.

5038831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719840.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5038831 is about 2244.7340599724. The cubic root of 5038831 is about 171.4391208124.

It can be divided in two parts, 50388 and 31, that multiplied together give a triangular number (1562028 = T1767).

The spelling of 5038831 in words is "five million, thirty-eight thousand, eight hundred thirty-one".

Divisors: 1 7 719833 5038831