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5438457 = 322967311
BaseRepresentation
bin10100101111101111111001
3101020022011100
4110233233321
52343012312
6312322013
764140363
oct24575771
911208140
105438457
113084aa2
1219a3309
13118552b
14a17d33
157265dc
hex52fbf9

5438457 has 24 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 3437280.

The previous prime is 5438437. The next prime is 5438479. The reversal of 5438457 is 7548345.

It is not a de Polignac number, because 5438457 - 214 = 5422073 is a prime.

5438457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5438437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17332 + ... + 17642.

It is an arithmetic number, because the mean of its divisors is an integer number (344760).

Almost surely, 25438457 is an apocalyptic number.

It is an amenable number.

5438457 is a deficient number, since it is larger than the sum of its proper divisors (2835783).

5438457 is a wasteful number, since it uses less digits than its factorization.

5438457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 5438457 is about 2332.0499565833. The cubic root of 5438457 is about 175.8565571076.

The spelling of 5438457 in words is "five million, four hundred thirty-eight thousand, four hundred fifty-seven".

Divisors: 1 3 9 29 67 87 201 261 311 603 933 1943 2799 5829 9019 17487 20837 27057 62511 81171 187533 604273 1812819 5438457