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125242430 = 25671071747
BaseRepresentation
bin1110111011100…
…00110000111110
322201122222022112
413131300300332
5224030224210
620232214022
73050354165
oct735606076
9281588275
10125242430
1164772545
1235b3a312
131cc41161
14128c23dc
15aeddd05
hex7770c3e

125242430 has 32 divisors (see below), whose sum is σ = 231071616. Its totient is φ = 48860064.

The previous prime is 125242409. The next prime is 125242457. The reversal of 125242430 is 34242521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125242396 and 125242405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70817 + ... + 72563.

It is an arithmetic number, because the mean of its divisors is an integer number (7220988).

Almost surely, 2125242430 is an apocalyptic number.

125242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125242430 is a deficient number, since it is larger than the sum of its proper divisors (105829186).

125242430 is a wasteful number, since it uses less digits than its factorization.

125242430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 125242430 is about 11191.1764350313. The cubic root of 125242430 is about 500.3230312567.

Adding to 125242430 its reverse (34242521), we get a palindrome (159484951).

Subtracting from 125242430 its reverse (34242521), we obtain a palindrome (90999909).

The spelling of 125242430 in words is "one hundred twenty-five million, two hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 67 107 134 214 335 535 670 1070 1747 3494 7169 8735 14338 17470 35845 71690 117049 186929 234098 373858 585245 934645 1170490 1869290 12524243 25048486 62621215 125242430