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125189630 = 2543928517
BaseRepresentation
bin1110111011000…
…11110111111110
322201120021212222
413131203313332
5224022032010
620231125342
73050044226
oct735436776
9281507788
10125189630
1164736905
1235b13852
131cc23107
14128ab086
15aecd355
hex7763dfe

125189630 has 16 divisors (see below), whose sum is σ = 225862560. Its totient is φ = 49960032.

The previous prime is 125189609. The next prime is 125189639. The reversal of 125189630 is 36981521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125189639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9869 + ... + 18648.

It is an arithmetic number, because the mean of its divisors is an integer number (14116410).

Almost surely, 2125189630 is an apocalyptic number.

125189630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125189630 is a deficient number, since it is larger than the sum of its proper divisors (100672930).

125189630 is a wasteful number, since it uses less digits than its factorization.

125189630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28963.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 125189630 is about 11188.8171850290. The cubic root of 125189630 is about 500.2527122515.

The spelling of 125189630 in words is "one hundred twenty-five million, one hundred eighty-nine thousand, six hundred thirty".

Divisors: 1 2 5 10 439 878 2195 4390 28517 57034 142585 285170 12518963 25037926 62594815 125189630