Search a number
-
+
420636030 = 23591115391
BaseRepresentation
bin11001000100100…
…110010101111110
31002022111112011020
4121010212111332
51330140323110
6105423405010
713265230053
oct3104462576
91068445136
10420636030
111a6490091
12b8a53766
13691b8379
143dc1702a
1526ddcd70
hex1912657e

420636030 has 32 divisors (see below), whose sum is σ = 1010700288. Its totient is φ = 112039200.

The previous prime is 420636011. The next prime is 420636071. The reversal of 420636030 is 30636024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19635 + ... + 35025.

It is an arithmetic number, because the mean of its divisors is an integer number (31584384).

Almost surely, 2420636030 is an apocalyptic number.

420636030 is an abundant number, since it is smaller than the sum of its proper divisors (590064258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420636030 is a wasteful number, since it uses less digits than its factorization.

420636030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16312.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 420636030 is about 20509.4132046726. The cubic root of 420636030 is about 749.2650756390.

The spelling of 420636030 in words is "four hundred twenty million, six hundred thirty-six thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 911 1822 2733 4555 5466 9110 13665 15391 27330 30782 46173 76955 92346 153910 230865 461730 14021201 28042402 42063603 70106005 84127206 140212010 210318015 420636030