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10131442 = 26917331
BaseRepresentation
bin100110101001…
…011111110010
3201001201201121
4212221133302
510043201232
61001052454
7152054506
oct46513762
921051647
1010131442
11579a9a2
12348712a
132139649
1414ba306
15d51d97
hex9a97f2

10131442 has 8 divisors (see below), whose sum is σ = 15221232. Its totient is φ = 5057700.

The previous prime is 10131419. The next prime is 10131463. The reversal of 10131442 is 24413101.

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

It is a super-2 number, since 2×101314422 = 205292233998728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2284 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (1902654).

Almost surely, 210131442 is an apocalyptic number.

10131442 is a deficient number, since it is larger than the sum of its proper divisors (5089790).

10131442 is an equidigital number, since it uses as much as digits as its factorization.

10131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10131442 is about 3182.9926170194. The cubic root of 10131442 is about 216.3833071608.

Adding to 10131442 its reverse (24413101), we get a palindrome (34544543).

The spelling of 10131442 in words is "ten million, one hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 691 1382 7331 14662 5065721 10131442