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1200442132 = 22300110533
BaseRepresentation
bin100011110001101…
…0100101100010100
310002122211210000201
41013203110230110
54424303122012
6315041350244
741514406201
oct10743245424
93078753021
101200442132
11566688a3a
12296038384
1316191a7b6
14b5606ca8
15705c6857
hex478d4b14

1200442132 has 6 divisors (see below), whose sum is σ = 2100773738. Its totient is φ = 600221064.

The previous prime is 1200442127. The next prime is 1200442147. The reversal of 1200442132 is 2312440021.

It can be written as a sum of positive squares in only one way, i.e., 1046781316 + 153660816 = 32354^2 + 12396^2 .

It is a super-2 number, since 2×12004421322 = 2882122624561410848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150055263 + ... + 150055270.

Almost surely, 21200442132 is an apocalyptic number.

It is an amenable number.

1200442132 is a deficient number, since it is larger than the sum of its proper divisors (900331606).

1200442132 is a wasteful number, since it uses less digits than its factorization.

1200442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300110537 (or 300110535 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1200442132 is about 34647.3971893994. The cubic root of 1200442132 is about 1062.7890629792.

Adding to 1200442132 its reverse (2312440021), we get a palindrome (3512882153).

The spelling of 1200442132 in words is "one billion, two hundred million, four hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 300110533 600221066 1200442132