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420082539 = 3612295533
BaseRepresentation
bin11001000010011…
…111001101101011
31002021110101220120
4121002133031223
51330020120124
6105403454323
713260433302
oct3102371553
91067411816
10420082539
111a6142258
12b88273a3
1369053466
143db11439
1526d2dd79
hex1909f36b

420082539 has 8 divisors (see below), whose sum is σ = 569292432. Its totient is φ = 275463840.

The previous prime is 420082471. The next prime is 420082543. The reversal of 420082539 is 935280024.

It is a happy number.

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

It is not a de Polignac number, because 420082539 - 28 = 420082283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420082549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147584 + ... + 1147949.

It is an arithmetic number, because the mean of its divisors is an integer number (71161554).

Almost surely, 2420082539 is an apocalyptic number.

420082539 is a deficient number, since it is larger than the sum of its proper divisors (149209893).

420082539 is a wasteful number, since it uses less digits than its factorization.

420082539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295597.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 420082539 is about 20495.9151783959. The cubic root of 420082539 is about 748.9362929719.

The spelling of 420082539 in words is "four hundred twenty million, eighty-two thousand, five hundred thirty-nine".

Divisors: 1 3 61 183 2295533 6886599 140027513 420082539