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485021901 = 37131776637
BaseRepresentation
bin11100111010001…
…101100011001101
31020210122122222010
4130322031203031
51443131200101
6120043411433
715006422010
oct3472154315
91223578863
10485021901
11229867151
12116523b79
137963c710
14485b7377
152c8aa2d6
hex1ce8d8cd

485021901 has 16 divisors (see below), whose sum is σ = 795933824. Its totient is φ = 255835584.

The previous prime is 485021857. The next prime is 485021903. The reversal of 485021901 is 109120584.

It is a happy number.

It is not a de Polignac number, because 485021901 - 26 = 485021837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485021903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888046 + ... + 888591.

It is an arithmetic number, because the mean of its divisors is an integer number (49745864).

Almost surely, 2485021901 is an apocalyptic number.

It is an amenable number.

485021901 is a deficient number, since it is larger than the sum of its proper divisors (310911923).

485021901 is a wasteful number, since it uses less digits than its factorization.

485021901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776660.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 485021901 is about 22023.2127765229. The cubic root of 485021901 is about 785.6946268879.

It can be divided in two parts, 48502 and 1901, that added together give a triangular number (50403 = T317).

The spelling of 485021901 in words is "four hundred eighty-five million, twenty-one thousand, nine hundred one".

Divisors: 1 3 7 13 21 39 91 273 1776637 5329911 12436459 23096281 37309377 69288843 161673967 485021901