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1332400431 = 32423183299
BaseRepresentation
bin100111101101010…
…1101000100101111
310102212010221210010
41033122231010233
510212043303211
6340113544303
745006134235
oct11732550457
93385127703
101332400431
1162411818a
12312275093
1318307072b
14c8d56955
157be904a6
hex4f6ad12f

1332400431 has 8 divisors (see below), whose sum is σ = 1777276800. Its totient is φ = 887895512.

The previous prime is 1332400427. The next prime is 1332400471. The reversal of 1332400431 is 1340042331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1332400431 - 22 = 1332400427 is a prime.

It is a super-2 number, since 2×13324004312 = 3550581817057971522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1332400398 and 1332400407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332400471) 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, 84381 + ... + 98918.

It is an arithmetic number, because the mean of its divisors is an integer number (222159600).

Almost surely, 21332400431 is an apocalyptic number.

1332400431 is a deficient number, since it is larger than the sum of its proper divisors (444876369).

1332400431 is a wasteful number, since it uses less digits than its factorization.

1332400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185725.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1332400431 is about 36502.0606404625. The cubic root of 1332400431 is about 1100.3856584368.

Adding to 1332400431 its reverse (1340042331), we get a palindrome (2672442762).

The spelling of 1332400431 in words is "one billion, three hundred thirty-two million, four hundred thousand, four hundred thirty-one".

Divisors: 1 3 2423 7269 183299 549897 444133477 1332400431