Search a number
-
+
125400884 = 22718112473
BaseRepresentation
bin1110111100101…
…11011100110100
322201222000200012
413132113130310
5224100312014
620235435352
73051614150
oct736273464
9281860605
10125400884
11648705a4
1235bb5b58
131cc9830b
1412924060
15b020c3e
hex7797734

125400884 has 24 divisors (see below), whose sum is σ = 251041728. Its totient is φ = 53691840.

The previous prime is 125400883. The next prime is 125400889. The reversal of 125400884 is 488004521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125400884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125400883) 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 7 ways as a sum of consecutive naturals, for example, 49472 + ... + 51944.

It is an arithmetic number, because the mean of its divisors is an integer number (10460072).

Almost surely, 2125400884 is an apocalyptic number.

125400884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125400884 is an abundant number, since it is smaller than the sum of its proper divisors (125640844).

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

125400884 is a wasteful number, since it uses less digits than its factorization.

125400884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 125400884 is about 11198.2536138453. The cubic root of 125400884 is about 500.5339416098.

The spelling of 125400884 in words is "one hundred twenty-five million, four hundred thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 1811 2473 3622 4946 7244 9892 12677 17311 25354 34622 50708 69244 4478603 8957206 17914412 31350221 62700442 125400884