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5157871 = 34914779
BaseRepresentation
bin10011101011001111101111
3100201001021021
4103223033233
52310022441
6302315011
761561345
oct23531757
910631237
105157871
112a03204
121888a67
1310b78c4
14983995
156bd3d1
hex4eb3ef

5157871 has 4 divisors (see below), whose sum is σ = 5173000. Its totient is φ = 5142744.

The previous prime is 5157857. The next prime is 5157877. The reversal of 5157871 is 1787515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1787515 = 5357503.

It is a cyclic number.

It is not a de Polignac number, because 5157871 - 27 = 5157743 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 (5157877) 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, 7041 + ... + 7738.

It is an arithmetic number, because the mean of its divisors is an integer number (1293250).

Almost surely, 25157871 is an apocalyptic number.

5157871 is a deficient number, since it is larger than the sum of its proper divisors (15129).

5157871 is a wasteful number, since it uses less digits than its factorization.

5157871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128.

The product of its digits is 9800, while the sum is 34.

The square root of 5157871 is about 2271.0946699775. The cubic root of 5157871 is about 172.7786827663.

The spelling of 5157871 in words is "five million, one hundred fifty-seven thousand, eight hundred seventy-one".

Divisors: 1 349 14779 5157871