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10269442 = 25134721
BaseRepresentation
bin100111001011…
…001100000010
3201022202000201
4213023030002
510112110232
61004035414
7153201031
oct47131402
921282021
1010269442
115884647
123532b6a
1321873c1
141514718
15d7cbe7
hex9cb302

10269442 has 4 divisors (see below), whose sum is σ = 15404166. Its totient is φ = 5134720.

The previous prime is 10269433. The next prime is 10269491. The reversal of 10269442 is 24496201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24496201 = 171440953.

It can be written as a sum of positive squares in only one way, i.e., 5564881 + 4704561 = 2359^2 + 2169^2 .

It is a super-2 number, since 2×102694422 = 210922877982728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10269442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567359 + ... + 2567362.

Almost surely, 210269442 is an apocalyptic number.

10269442 is a deficient number, since it is larger than the sum of its proper divisors (5134724).

10269442 is an equidigital number, since it uses as much as digits as its factorization.

10269442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5134723.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 10269442 is about 3204.5970105459. The cubic root of 10269442 is about 217.3613296724.

The spelling of 10269442 in words is "ten million, two hundred sixty-nine thousand, four hundred forty-two".

Divisors: 1 2 5134721 10269442