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716143144 = 2389517893
BaseRepresentation
bin101010101011110…
…111101000101000
31211220112211201011
4222223313220220
52431313040034
6155021233304
723514054613
oct5253675050
91756484634
10716143144
11338275a42
1217ba02834
13b54a2152
146b17b17a
1542d10864
hex2aaf7a28

716143144 has 8 divisors (see below), whose sum is σ = 1342768410. Its totient is φ = 358071568.

The previous prime is 716143069. The next prime is 716143147. The reversal of 716143144 is 441341617.

It can be written as a sum of positive squares in only one way, i.e., 715562500 + 580644 = 26750^2 + 762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7161431442 = 1025722005396409472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (716143147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44758939 + ... + 44758954.

Almost surely, 2716143144 is an apocalyptic number.

It is an amenable number.

716143144 is a deficient number, since it is larger than the sum of its proper divisors (626625266).

716143144 is a wasteful number, since it uses less digits than its factorization.

716143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89517899 (or 89517895 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 716143144 is about 26760.8509580693. The cubic root of 716143144 is about 894.6777004978.

It can be divided in two parts, 7161 and 43144, that added together give a palindrome (50305).

The spelling of 716143144 in words is "seven hundred sixteen million, one hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 89517893 179035786 358071572 716143144