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125335990 = 25135318191
BaseRepresentation
bin1110111100001…
…11100110110110
322201211201122201
413132013212312
5224041222430
620234215114
73051224023
oct736074666
9281751581
10125335990
116482686a
1235b8449a
131cc74910
141290854a
15b00b8ca
hex77879b6

125335990 has 32 divisors (see below), whose sum is σ = 247556736. Its totient is φ = 45402240.

The previous prime is 125335933. The next prime is 125335997. The reversal of 125335990 is 99533521.

It is a super-2 number, since 2×1253359902 = 31418220778560200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125335997) 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 15 ways as a sum of consecutive naturals, for example, 2206 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (7736148).

Almost surely, 2125335990 is an apocalyptic number.

125335990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125335990 is a deficient number, since it is larger than the sum of its proper divisors (122220746).

125335990 is a wasteful number, since it uses less digits than its factorization.

125335990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18264.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 125335990 is about 11195.3557335174. The cubic root of 125335990 is about 500.4475858809.

The spelling of 125335990 in words is "one hundred twenty-five million, three hundred thirty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 1378 3445 6890 18191 36382 90955 181910 236483 472966 964123 1182415 1928246 2364830 4820615 9641230 12533599 25067198 62667995 125335990