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125045461 = 1139371181
BaseRepresentation
bin1110111010000…
…00101011010101
322201021222010101
413131000223111
5224002423321
620224054101
73045604012
oct735005325
9281258111
10125045461
1164648562
1235a64331
131cba25c8
1412870709
15aea0791
hex7740ad5

125045461 has 8 divisors (see below), whose sum is σ = 126393624. Its totient is φ = 123701760.

The previous prime is 125045429. The next prime is 125045471. The reversal of 125045461 is 164540521.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 124880625 = 406^2 + 11175^2 .

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 125045461 - 25 = 125045429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125045471) 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, 105291 + ... + 106471.

It is an arithmetic number, because the mean of its divisors is an integer number (15799203).

Almost surely, 2125045461 is an apocalyptic number.

It is an amenable number.

125045461 is a deficient number, since it is larger than the sum of its proper divisors (1348163).

125045461 is a wasteful number, since it uses less digits than its factorization.

125045461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 125045461 is about 11182.3727804076. The cubic root of 125045461 is about 500.0606073199.

Adding to 125045461 its reverse (164540521), we get a palindrome (289585982).

The spelling of 125045461 in words is "one hundred twenty-five million, forty-five thousand, four hundred sixty-one".

Divisors: 1 113 937 1181 105881 133453 1106597 125045461