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125435190 = 2354181173
BaseRepresentation
bin1110111100111…
…11110100110110
322202000202201210
413132133310312
5224102411230
620240302250
73052116156
oct736376466
9282022653
10125435190
1164894351
1236011986
131ccaab0a
1412932766
15b02aeb0
hex779fd36

125435190 has 16 divisors (see below), whose sum is σ = 301044528. Its totient is φ = 33449376.

The previous prime is 125435159. The next prime is 125435201. The reversal of 125435190 is 91534521.

It is a super-2 number, since 2×1254351902 = 31467973780672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4181173 = 125435190 / (1 + 2 + 5 + 4 + 3 + 5 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090557 + ... + 2090616.

It is an arithmetic number, because the mean of its divisors is an integer number (18815283).

Almost surely, 2125435190 is an apocalyptic number.

125435190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125435190 is an abundant number, since it is smaller than the sum of its proper divisors (175609338).

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

125435190 is a wasteful number, since it uses less digits than its factorization.

125435190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181183.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 125435190 is about 11199.7852657986. The cubic root of 125435190 is about 500.5795812449.

The spelling of 125435190 in words is "one hundred twenty-five million, four hundred thirty-five thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 4181173 8362346 12543519 20905865 25087038 41811730 62717595 125435190