Search a number
-
+
539242947 = 334121092
BaseRepresentation
bin100000001001000…
…011000111000011
31101120200101021000
4200021003013003
52101021233242
6125301503043
716235326605
oct4011030703
91346611230
10539242947
11257430231
12130711a83
1387945189
145188d175
153251aa4c
hex202431c3

539242947 has 36 divisors (see below), whose sum is σ = 826419720. Its totient is φ = 347509440.

The previous prime is 539242937. The next prime is 539242967. The reversal of 539242947 is 749242935.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

539242947 is a `hidden beast` number, since 539 + 24 + 2 + 94 + 7 = 666.

It is not a de Polignac number, because 539242947 - 26 = 539242883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539242927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4947129 + ... + 4947237.

Almost surely, 2539242947 is an apocalyptic number.

539242947 is a deficient number, since it is larger than the sum of its proper divisors (287176773).

539242947 is an equidigital number, since it uses as much as digits as its factorization.

539242947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 153 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 539242947 is about 23221.6051770759. The cubic root of 539242947 is about 813.9445592258.

The spelling of 539242947 in words is "five hundred thirty-nine million, two hundred forty-two thousand, nine hundred forty-seven".

Divisors: 1 3 9 27 41 109 123 327 369 981 1107 1681 2943 4469 5043 11881 13407 15129 35643 40221 45387 106929 120663 183229 320787 487121 549687 1461363 1649061 4384089 4947183 13152267 19971961 59915883 179747649 539242947