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507397 = 11193239
BaseRepresentation
bin1111011111000000101
3221210000111
41323320011
5112214042
614513021
74212202
oct1737005
9853014
10507397
11317240
12205771
13149c47
14d2ca9
15a0517
hex7be05

507397 has 8 divisors (see below), whose sum is σ = 558720. Its totient is φ = 456960.

The previous prime is 507383. The next prime is 507401. The reversal of 507397 is 793705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 507397 - 215 = 474629 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 (507317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004 + ... + 2242.

It is an arithmetic number, because the mean of its divisors is an integer number (69840).

2507397 is an apocalyptic number.

It is an amenable number.

507397 is a deficient number, since it is larger than the sum of its proper divisors (51323).

507397 is a wasteful number, since it uses less digits than its factorization.

507397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 507397 is about 712.3180469425. The cubic root of 507397 is about 79.7595383684.

It can be divided in two parts, 50 and 7397, that added together give a palindrome (7447).

The spelling of 507397 in words is "five hundred seven thousand, three hundred ninety-seven".

Divisors: 1 11 193 239 2123 2629 46127 507397