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12140752 = 241358369
BaseRepresentation
bin101110010100…
…000011010000
3211211210222111
4232110003100
511102001002
61112115104
7205123531
oct56240320
924753874
1012140752
116942588
124095a94
1326910a0
141880688
1510ec3d7
hexb940d0

12140752 has 20 divisors (see below), whose sum is σ = 25332580. Its totient is φ = 5603328.

The previous prime is 12140731. The next prime is 12140759. The reversal of 12140752 is 25704121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3984016 + 8156736 = 1996^2 + 2856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140759) 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, 28977 + ... + 29392.

It is an arithmetic number, because the mean of its divisors is an integer number (1266629).

Almost surely, 212140752 is an apocalyptic number.

It is an amenable number.

12140752 is an abundant number, since it is smaller than the sum of its proper divisors (13191828).

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

12140752 is a wasteful number, since it uses less digits than its factorization.

12140752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58390 (or 58384 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12140752 is about 3484.3581905424. The cubic root of 12140752 is about 229.8344870971.

Adding to 12140752 its reverse (25704121), we get a palindrome (37844873).

The spelling of 12140752 in words is "twelve million, one hundred forty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 58369 116738 233476 466952 758797 933904 1517594 3035188 6070376 12140752