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507444247 = 4340129429
BaseRepresentation
bin11110001111101…
…111110000010111
31022100211211122101
4132033233300113
52014401203442
6122204142531
715401130202
oct3617576027
91270754571
10507444247
11240491412
12121b37a47
138119058b
144b572939
152e838cb7
hex1e3efc17

507444247 has 8 divisors (see below), whose sum is σ = 520557840. Its totient is φ = 494390400.

The previous prime is 507444211. The next prime is 507444263. The reversal of 507444247 is 742444705.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-507444247 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 (507444277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529 + ... + 31957.

It is an arithmetic number, because the mean of its divisors is an integer number (65069730).

Almost surely, 2507444247 is an apocalyptic number.

507444247 is a deficient number, since it is larger than the sum of its proper divisors (13113593).

507444247 is a wasteful number, since it uses less digits than its factorization.

507444247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29873.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 507444247 is about 22526.5231893428. The cubic root of 507444247 is about 797.6201393284.

The spelling of 507444247 in words is "five hundred seven million, four hundred forty-four thousand, two hundred forty-seven".

Divisors: 1 43 401 17243 29429 1265447 11801029 507444247