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120826885 = 524165377
BaseRepresentation
bin1110011001110…
…10110000000101
322102100122022211
413030322300011
5221412430020
615553423421
72665003654
oct714726005
9272318284
10120826885
1162227033
123456ab71
131c0563ca
141209319b
15a91a85a
hex733ac05

120826885 has 4 divisors (see below), whose sum is σ = 144992268. Its totient is φ = 96661504.

The previous prime is 120826883. The next prime is 120826897. The reversal of 120826885 is 588628021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588628021 = 4114356781.

It can be written as a sum of positive squares in 2 ways, for example, as 39664804 + 81162081 = 6298^2 + 9009^2 .

It is a cyclic number.

It is not a de Polignac number, because 120826885 - 21 = 120826883 is a prime.

It is a super-2 number, since 2×1208268852 = 29198272277606450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120826883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12082684 + ... + 12082693.

It is an arithmetic number, because the mean of its divisors is an integer number (36248067).

Almost surely, 2120826885 is an apocalyptic number.

It is an amenable number.

120826885 is a deficient number, since it is larger than the sum of its proper divisors (24165383).

120826885 is an equidigital number, since it uses as much as digits as its factorization.

120826885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24165382.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 120826885 is about 10992.1283198478. The cubic root of 120826885 is about 494.3727524254.

The spelling of 120826885 in words is "one hundred twenty million, eight hundred twenty-six thousand, eight hundred eighty-five".

Divisors: 1 5 24165377 120826885