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4939457 = 23214759
BaseRepresentation
bin10010110101111011000001
3100021221122212
4102311323001
52231030312
6253511505
756661515
oct22657301
910257585
104939457
1128740a6
1217a2595
13103c373
14928145
15678822
hex4b5ec1

4939457 has 4 divisors (see below), whose sum is σ = 5154240. Its totient is φ = 4724676.

The previous prime is 4939439. The next prime is 4939471. The reversal of 4939457 is 7549394.

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 4939457 - 212 = 4935361 is a prime.

It is a d-powerful number, because it can be written as 410 + 94 + 33 + 95 + 410 + 59 + 77 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4939427) 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, 107357 + ... + 107402.

It is an arithmetic number, because the mean of its divisors is an integer number (1288560).

Almost surely, 24939457 is an apocalyptic number.

It is an amenable number.

4939457 is a deficient number, since it is larger than the sum of its proper divisors (214783).

4939457 is a wasteful number, since it uses less digits than its factorization.

4939457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214782.

The product of its digits is 136080, while the sum is 41.

The square root of 4939457 is about 2222.4889201074. The cubic root of 4939457 is about 170.3046095775.

The spelling of 4939457 in words is "four million, nine hundred thirty-nine thousand, four hundred fifty-seven".

Divisors: 1 23 214759 4939457