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507427 = 557911
BaseRepresentation
bin1111011111000100011
3221210001121
41323320203
5112214202
614513111
74212244
oct1737043
9853047
10507427
11317268
12205797
13149c6b
14d2ccb
15a0537
hex7be23

507427 has 4 divisors (see below), whose sum is σ = 508896. Its totient is φ = 505960.

The previous prime is 507421. The next prime is 507431. The reversal of 507427 is 724705.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 724705 = 5144941.

It is a cyclic number.

It is not a de Polignac number, because 507427 - 215 = 474659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507421) 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, 102 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2507427 is an apocalyptic number.

507427 is a deficient number, since it is larger than the sum of its proper divisors (1469).

507427 is an equidigital number, since it uses as much as digits as its factorization.

507427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 507427 is about 712.3391046405. The cubic root of 507427 is about 79.7611102729.

The spelling of 507427 in words is "five hundred seven thousand, four hundred twenty-seven".

Divisors: 1 557 911 507427