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125496090 = 23251394401
BaseRepresentation
bin1110111101011…
…10101100011010
322202010212021100
413132232230122
5224111333330
620241452230
73052461546
oct736565432
9282125240
10125496090
1164926085
1236041076
131cccc755
141294aa26
15b03e060
hex77aeb1a

125496090 has 24 divisors (see below), whose sum is σ = 326290068. Its totient is φ = 33465600.

The previous prime is 125496053. The next prime is 125496097. The reversal of 125496090 is 90694521.

125496090 is a `hidden beast` number, since 1 + 2 + 5 + 49 + 609 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113614281 + 11881809 = 10659^2 + 3447^2 .

It is not an unprimeable number, because it can be changed into a prime (125496097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697111 + ... + 697290.

Almost surely, 2125496090 is an apocalyptic number.

125496090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125496090 is an abundant number, since it is smaller than the sum of its proper divisors (200793978).

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

125496090 is a wasteful number, since it uses less digits than its factorization.

125496090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394414 (or 1394411 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 125496090 is about 11202.5037380043. The cubic root of 125496090 is about 500.6605802165.

It can be divided in two parts, 1254 and 96090, that added together give a square (97344 = 3122).

The spelling of 125496090 in words is "one hundred twenty-five million, four hundred ninety-six thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1394401 2788802 4183203 6972005 8366406 12549609 13944010 20916015 25099218 41832030 62748045 125496090