Search a number
-
+
109440256 = 282318587
BaseRepresentation
bin1101000010111…
…10110100000000
321121221010210211
412201132310000
5211004042011
614505403504
72466140542
oct641366400
9247833724
10109440256
115685a0a2
1230799594
131989a663
141076b692
15991bb21
hex685ed00

109440256 has 36 divisors (see below), whose sum is σ = 227963232. Its totient is φ = 52338176.

The previous prime is 109440239. The next prime is 109440257. The reversal of 109440256 is 652044901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109440257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406 + ... + 15181.

It is an arithmetic number, because the mean of its divisors is an integer number (6332312).

Almost surely, 2109440256 is an apocalyptic number.

109440256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109440256 is an abundant number, since it is smaller than the sum of its proper divisors (118522976).

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

109440256 is an equidigital number, since it uses as much as digits as its factorization.

109440256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18626 (or 18612 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 109440256 is about 10461.3696999963. The cubic root of 109440256 is about 478.3278855368.

The spelling of 109440256 in words is "one hundred nine million, four hundred forty thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 368 736 1472 2944 5888 18587 37174 74348 148696 297392 427501 594784 855002 1189568 1710004 2379136 3420008 4758272 6840016 13680032 27360064 54720128 109440256