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10109456 = 24790263
BaseRepresentation
bin100110100100…
…001000010000
3201000121120022
4212210020100
510042000311
61000403012
7151633430
oct46441020
921017508
1010109456
115785425
123476468
13212c636
1414b22c0
15d4a5db
hex9a4210

10109456 has 20 divisors (see below), whose sum is σ = 22385472. Its totient is φ = 4332576.

The previous prime is 10109453. The next prime is 10109459. The reversal of 10109456 is 65490101.

It is an interprime number because it is at equal distance from previous prime (10109453) and next prime (10109459).

It is a super-2 number, since 2×101094562 = 204402201231872, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10109453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45020 + ... + 45243.

Almost surely, 210109456 is an apocalyptic number.

10109456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10109456 is an abundant number, since it is smaller than the sum of its proper divisors (12276016).

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

10109456 is an equidigital number, since it uses as much as digits as its factorization.

10109456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90278 (or 90272 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10109456 is about 3179.5370732231. The cubic root of 10109456 is about 216.2266710553.

Adding to 10109456 its reverse (65490101), we get a palindrome (75599557).

The spelling of 10109456 in words is "ten million, one hundred nine thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 90263 180526 361052 631841 722104 1263682 1444208 2527364 5054728 10109456