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125430743 = 1731238009
BaseRepresentation
bin1110111100111…
…10101111010111
322202000112122002
413132132233113
5224102240433
620240225515
73052100204
oct736365727
9282015562
10125430743
1164890a79
123600b29b
131cca8a99
1412930cab
15b0299e8
hex779ebd7

125430743 has 8 divisors (see below), whose sum is σ = 137093760. Its totient is φ = 114243840.

The previous prime is 125430737. The next prime is 125430757. The reversal of 125430743 is 347034521.

It is a happy number.

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 125430743 - 24 = 125430727 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125430763) 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, 118478 + ... + 119531.

It is an arithmetic number, because the mean of its divisors is an integer number (17136720).

Almost surely, 2125430743 is an apocalyptic number.

125430743 is a deficient number, since it is larger than the sum of its proper divisors (11663017).

125430743 is a wasteful number, since it uses less digits than its factorization.

125430743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238057.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 125430743 is about 11199.5867334469. The cubic root of 125430743 is about 500.5736655639.

The spelling of 125430743 in words is "one hundred twenty-five million, four hundred thirty thousand, seven hundred forty-three".

Divisors: 1 17 31 527 238009 4046153 7378279 125430743