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538207630 = 2553820763
BaseRepresentation
bin100000000101000…
…110010110001110
31101111201210001221
4200011012112032
52100240121010
6125223353554
716223455312
oct4005062616
91344653057
10538207630
112568933a4
121302b28ba
1387671b6c
145169db42
15323b3dda
hex2014658e

538207630 has 8 divisors (see below), whose sum is σ = 968773752. Its totient is φ = 215283048.

The previous prime is 538207603. The next prime is 538207643. The reversal of 538207630 is 36702835.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26910372 + ... + 26910391.

It is an arithmetic number, because the mean of its divisors is an integer number (121096719).

Almost surely, 2538207630 is an apocalyptic number.

538207630 is a deficient number, since it is larger than the sum of its proper divisors (430566122).

538207630 is a wasteful number, since it uses less digits than its factorization.

538207630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53820770.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 538207630 is about 23199.3023602004. The cubic root of 538207630 is about 813.4233158007.

The spelling of 538207630 in words is "five hundred thirty-eight million, two hundred seven thousand, six hundred thirty".

Divisors: 1 2 5 10 53820763 107641526 269103815 538207630