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140412 = 22311701
BaseRepresentation
bin100010010001111100
321010121110
4202101330
513443122
63002020
71123236
oct422174
9233543
10140412
1196548
1269310
134bbac
1439256
152b90c
hex2247c

140412 has 12 divisors (see below), whose sum is σ = 327656. Its totient is φ = 46800.

The previous prime is 140411. The next prime is 140417. The reversal of 140412 is 214041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 11701 = 140412 / (1 + 4 + 0 + 4 + 1 + 2).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5839 + ... + 5862.

2140412 is an apocalyptic number.

140412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140412 is an abundant number, since it is smaller than the sum of its proper divisors (187244).

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

140412 is a wasteful number, since it uses less digits than its factorization.

140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11708 (or 11706 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 140412 is about 374.7158923771. The cubic root of 140412 is about 51.9758270289.

Adding to 140412 its reverse (214041), we get a palindrome (354453).

It can be divided in two parts, 14041 and 2, that multiplied together give a palindrome (28082).

The spelling of 140412 in words is "one hundred forty thousand, four hundred twelve", and thus it is an iban number.

Divisors: 1 2 3 4 6 12 11701 23402 35103 46804 70206 140412