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5197207 = 16731121
BaseRepresentation
bin10011110100110110010111
3100210001020011
4103310312113
52312302312
6303221051
762114131
oct23646627
910701204
105197207
112a2a814
1218a7787
1310cc792
14994051
156c9da7
hex4f4d97

5197207 has 4 divisors (see below), whose sum is σ = 5228496. Its totient is φ = 5165920.

The previous prime is 5197193. The next prime is 5197217. The reversal of 5197207 is 7027915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7027915 = 51405583.

It is a cyclic number.

It is not a de Polignac number, because 5197207 - 219 = 4672919 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 (5197217) 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, 15394 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (1307124).

Almost surely, 25197207 is an apocalyptic number.

5197207 is a deficient number, since it is larger than the sum of its proper divisors (31289).

5197207 is a wasteful number, since it uses less digits than its factorization.

5197207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31288.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 5197207 is about 2279.7383621811. The cubic root of 5197207 is about 173.2167974898.

The spelling of 5197207 in words is "five million, one hundred ninety-seven thousand, two hundred seven".

Divisors: 1 167 31121 5197207