Search a number
-
+
431196420 = 22357186607
BaseRepresentation
bin11001101100111…
…000100100000100
31010001101001021210
4121230320210010
51340341241140
6110442011420
713454052264
oct3154704404
91101331253
10431196420
11201443286
121004a6b70
136b445015
14413a57a4
1527cc6d80
hex19b38904

431196420 has 24 divisors (see below), whose sum is σ = 1207350144. Its totient is φ = 114985696.

The previous prime is 431196407. The next prime is 431196421. The reversal of 431196420 is 24691134.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (431196421) 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, 3593244 + ... + 3593363.

It is an arithmetic number, because the mean of its divisors is an integer number (50306256).

Almost surely, 2431196420 is an apocalyptic number.

It is an amenable number.

431196420 is an abundant number, since it is smaller than the sum of its proper divisors (776153724).

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

431196420 is a wasteful number, since it uses less digits than its factorization.

431196420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186619 (or 7186617 counting only the distinct ones).

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

The square root of 431196420 is about 20765.2695624208. The cubic root of 431196420 is about 755.4836133763.

The spelling of 431196420 in words is "four hundred thirty-one million, one hundred ninety-six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7186607 14373214 21559821 28746428 35933035 43119642 71866070 86239284 107799105 143732140 215598210 431196420