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125543030 = 2529432907
BaseRepresentation
bin1110111101110…
…10001001110110
322202020020122212
413132322021312
5224114334110
620242453422
73053045444
oct736721166
9282206585
10125543030
1164958378
1236064272
1320017c22
141295db94
15b04ce05
hex77ba276

125543030 has 16 divisors (see below), whose sum is σ = 233770320. Its totient is φ = 48485472.

The previous prime is 125542999. The next prime is 125543053. The reversal of 125543030 is 30345521.

It is a super-2 number, since 2×1255430302 = 31522104763161800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125542987 and 125543005.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 216164 + ... + 216743.

It is an arithmetic number, because the mean of its divisors is an integer number (14610645).

Almost surely, 2125543030 is an apocalyptic number.

125543030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125543030 is a deficient number, since it is larger than the sum of its proper divisors (108227290).

125543030 is a wasteful number, since it uses less digits than its factorization.

125543030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432943.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 125543030 is about 11204.5986094996. The cubic root of 125543030 is about 500.7229940553.

Adding to 125543030 its reverse (30345521), we get a palindrome (155888551).

The spelling of 125543030 in words is "one hundred twenty-five million, five hundred forty-three thousand, thirty".

Divisors: 1 2 5 10 29 58 145 290 432907 865814 2164535 4329070 12554303 25108606 62771515 125543030