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1012431 = 37371303
BaseRepresentation
bin11110111001011001111
31220102210110
43313023033
5224344211
633411103
711414460
oct3671317
91812713
101012431
11631722
12409a93
13295a94
141c4d67
1514eea6
hexf72cf

1012431 has 16 divisors (see below), whose sum is σ = 1585664. Its totient is φ = 562464.

The previous prime is 1012423. The next prime is 1012433. The reversal of 1012431 is 1342101.

It is a happy number.

It is not a de Polignac number, because 1012431 - 23 = 1012423 is a prime.

It is a super-2 number, since 2×10124312 = 2050033059522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126 + ... + 1428.

It is an arithmetic number, because the mean of its divisors is an integer number (99104).

21012431 is an apocalyptic number.

1012431 is a deficient number, since it is larger than the sum of its proper divisors (573233).

1012431 is a wasteful number, since it uses less digits than its factorization.

1012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1012431 is about 1006.1963029151. The cubic root of 1012431 is about 100.4126614297.

Adding to 1012431 its reverse (1342101), we get a palindrome (2354532).

The spelling of 1012431 in words is "one million, twelve thousand, four hundred thirty-one".

Divisors: 1 3 7 21 37 111 259 777 1303 3909 9121 27363 48211 144633 337477 1012431