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3143972232 = 23344851809
BaseRepresentation
bin1011101101100101…
…0011010110001000
322010002221100010000
42323121103112020
522414324102412
61235550123000
7140624215542
oct27331232610
98102840100
103143972232
111373765965
12738ab0460
133b14828cb
1421b7a2692
151360324dc
hexbb653588

3143972232 has 40 divisors (see below), whose sum is σ = 8806035150. Its totient is φ = 1047990528.

The previous prime is 3143972213. The next prime is 3143972239. The reversal of 3143972232 is 2322793413.

3143972232 is a `hidden beast` number, since 31 + 4 + 397 + 2 + 232 = 666.

3143972232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2988371556 + 155600676 = 54666^2 + 12474^2 .

It is a super-2 number, since 2×31439722322 = 19769122791174123648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3143972239) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2425257 + ... + 2426552.

Almost surely, 23143972232 is an apocalyptic number.

It is an amenable number.

3143972232 is an abundant number, since it is smaller than the sum of its proper divisors (5662062918).

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

3143972232 is a wasteful number, since it uses less digits than its factorization.

3143972232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851827 (or 4851814 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3143972232 is about 56071.1354620182. The cubic root of 3143972232 is about 1464.9615760248.

The spelling of 3143972232 in words is "three billion, one hundred forty-three million, nine hundred seventy-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 4851809 9703618 14555427 19407236 29110854 38814472 43666281 58221708 87332562 116443416 130998843 174665124 261997686 349330248 392996529 523995372 785993058 1047990744 1571986116 3143972232