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125430545 = 547533747
BaseRepresentation
bin1110111100111…
…10101100010001
322202000112100202
413132132230101
5224102234140
620240224545
73052066502
oct736365421
9282015322
10125430545
1164890909
123600b155
131cca8976
1412930ba9
15b029915
hex779eb11

125430545 has 8 divisors (see below), whose sum is σ = 153719424. Its totient is φ = 98209264.

The previous prime is 125430541. The next prime is 125430553. The reversal of 125430545 is 545034521.

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

It is a cyclic number.

It is not a de Polignac number, because 125430545 - 22 = 125430541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125430541) 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, 266639 + ... + 267108.

It is an arithmetic number, because the mean of its divisors is an integer number (19214928).

Almost surely, 2125430545 is an apocalyptic number.

It is an amenable number.

125430545 is a deficient number, since it is larger than the sum of its proper divisors (28288879).

125430545 is an equidigital number, since it uses as much as digits as its factorization.

125430545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533799.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125430545 is about 11199.5778938315. The cubic root of 125430545 is about 500.5734021685.

The spelling of 125430545 in words is "one hundred twenty-five million, four hundred thirty thousand, five hundred forty-five".

Divisors: 1 5 47 235 533747 2668735 25086109 125430545