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125330381 = 1123495377
BaseRepresentation
bin1110111100001…
…10001111001101
322201211102221222
413132012033031
5224041033011
620234133125
73051201461
oct736061715
9281742858
10125330381
1164822630
1235b811a5
131cc721b7
14129064a1
15b009ddb
hex77863cd

125330381 has 8 divisors (see below), whose sum is σ = 142668864. Its totient is φ = 108982720.

The previous prime is 125330377. The next prime is 125330383. The reversal of 125330381 is 183033521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125330381 - 22 = 125330377 is a prime.

It is a super-2 number, since 2×1253303812 = 31415408803210322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125330381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125330383) 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, 247436 + ... + 247941.

It is an arithmetic number, because the mean of its divisors is an integer number (17833608).

Almost surely, 2125330381 is an apocalyptic number.

125330381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125330381 is a deficient number, since it is larger than the sum of its proper divisors (17338483).

125330381 is a wasteful number, since it uses less digits than its factorization.

125330381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495411.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 125330381 is about 11195.1052250526. The cubic root of 125330381 is about 500.4401204743.

The spelling of 125330381 in words is "one hundred twenty-five million, three hundred thirty thousand, three hundred eighty-one".

Divisors: 1 11 23 253 495377 5449147 11393671 125330381