Search a number
-
+
431342148 = 223151123789
BaseRepresentation
bin11001101101011…
…100001001000100
31010001122110012010
4121231130021010
51340410422043
6110445054220
713455230166
oct3155341104
91101573163
10431342148
11201532816
12100557370
136b496453
1441402936
1527d05133
hex19b5c244

431342148 has 24 divisors (see below), whose sum is σ = 1007173440. Its totient is φ = 143679520.

The previous prime is 431342147. The next prime is 431342183. The reversal of 431342148 is 841243134.

It is not an unprimeable number, because it can be changed into a prime (431342147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6238 + ... + 30026.

It is an arithmetic number, because the mean of its divisors is an integer number (41965560).

Almost surely, 2431342148 is an apocalyptic number.

It is an amenable number.

431342148 is an abundant number, since it is smaller than the sum of its proper divisors (575831292).

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

431342148 is a wasteful number, since it uses less digits than its factorization.

431342148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25307 (or 25305 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 431342148 is about 20768.7782019068. The cubic root of 431342148 is about 755.5687120386.

The spelling of 431342148 in words is "four hundred thirty-one million, three hundred forty-two thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 1511 3022 4533 6044 9066 18132 23789 47578 71367 95156 142734 285468 35945179 71890358 107835537 143780716 215671074 431342148