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469132401 = 31971911447
BaseRepresentation
bin11011111101100…
…110010001110001
31012200202101200010
4123331212101301
51430044214101
6114315045133
714424362643
oct3375462161
91180671603
10469132401
112208a4131
121111407a9
137626824a
144643c893
152b2bc2d6
hex1bf66471

469132401 has 16 divisors (see below), whose sum is σ = 659404800. Its totient is φ = 295856208.

The previous prime is 469132399. The next prime is 469132441. The reversal of 469132401 is 104231964.

It is not a de Polignac number, because 469132401 - 21 = 469132399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (469132441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35260 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (41212800).

Almost surely, 2469132401 is an apocalyptic number.

It is an amenable number.

469132401 is a deficient number, since it is larger than the sum of its proper divisors (190272399).

469132401 is a wasteful number, since it uses less digits than its factorization.

469132401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 469132401 is about 21659.4644670638. The cubic root of 469132401 is about 777.0193061960.

It can be divided in two parts, 469 and 132401, that added together give a triangular number (132870 = T515).

The spelling of 469132401 in words is "four hundred sixty-nine million, one hundred thirty-two thousand, four hundred one".

Divisors: 1 3 19 57 719 2157 11447 13661 34341 40983 217493 652479 8230393 24691179 156377467 469132401