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5072217 = 31690739
BaseRepresentation
bin10011010110010101011001
3100112200202220
4103112111121
52244302332
6300414253
761053543
oct23262531
910480686
105072217
112954917
121847389
131087917
14960693
156a2d2c
hex4d6559

5072217 has 4 divisors (see below), whose sum is σ = 6762960. Its totient is φ = 3381476.

The previous prime is 5072201. The next prime is 5072261. The reversal of 5072217 is 7122705.

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 5072217 - 24 = 5072201 is a prime.

It is a D-number.

5072217 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5072117) 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, 845367 + ... + 845372.

It is an arithmetic number, because the mean of its divisors is an integer number (1690740).

Almost surely, 25072217 is an apocalyptic number.

It is an amenable number.

5072217 is a deficient number, since it is larger than the sum of its proper divisors (1690743).

5072217 is a wasteful number, since it uses less digits than its factorization.

5072217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690742.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 5072217 is about 2252.1582981664. The cubic root of 5072217 is about 171.8169248198.

The spelling of 5072217 in words is "five million, seventy-two thousand, two hundred seventeen".

Divisors: 1 3 1690739 5072217