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5177731 = 13398287
BaseRepresentation
bin10011110000000110000011
3100202001111211
4103300012003
52311141411
6302550551
762003266
oct23600603
910661454
105177731
112a17119
121898457
1310c3960
1498acdd
156c4221
hex4f0183

5177731 has 4 divisors (see below), whose sum is σ = 5576032. Its totient is φ = 4779432.

The previous prime is 5177723. The next prime is 5177761. The reversal of 5177731 is 1377715.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1377715 = 5275543.

It is a cyclic number.

It is not a de Polignac number, because 5177731 - 23 = 5177723 is a prime.

It is a super-2 number, since 2×51777312 = 53617796616722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5177693 and 5177702.

It is not an unprimeable number, because it can be changed into a prime (5177701) 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, 199131 + ... + 199156.

It is an arithmetic number, because the mean of its divisors is an integer number (1394008).

Almost surely, 25177731 is an apocalyptic number.

5177731 is a deficient number, since it is larger than the sum of its proper divisors (398301).

5177731 is a wasteful number, since it uses less digits than its factorization.

5177731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398300.

The product of its digits is 5145, while the sum is 31.

The square root of 5177731 is about 2275.4628100674. The cubic root of 5177731 is about 173.0001559244. Note that the first 3 decimals are identical.

The spelling of 5177731 in words is "five million, one hundred seventy-seven thousand, seven hundred thirty-one".

Divisors: 1 13 398287 5177731