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125633701 = 401313301
BaseRepresentation
bin1110111110100…
…00010010100101
322202101212001001
413133100102211
5224130234301
620244433301
73053604004
oct737202245
9282355031
10125633701
1164a0a506
12360a8831
132004a28b
1412984c3b
15b069c01
hex77d04a5

125633701 has 4 divisors (see below), whose sum is σ = 125947404. Its totient is φ = 125320000.

The previous prime is 125633699. The next prime is 125633707. The reversal of 125633701 is 107336521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107336521 = 176313913.

It can be written as a sum of positive squares in 2 ways, for example, as 76983076 + 48650625 = 8774^2 + 6975^2 .

It is a cyclic number.

It is not a de Polignac number, because 125633701 - 21 = 125633699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125633701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125633707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156250 + ... + 157051.

It is an arithmetic number, because the mean of its divisors is an integer number (31486851).

Almost surely, 2125633701 is an apocalyptic number.

It is an amenable number.

125633701 is a deficient number, since it is larger than the sum of its proper divisors (313703).

125633701 is an equidigital number, since it uses as much as digits as its factorization.

125633701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313702.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 125633701 is about 11208.6440303901. The cubic root of 125633701 is about 500.8435108454.

The spelling of 125633701 in words is "one hundred twenty-five million, six hundred thirty-three thousand, seven hundred one".

Divisors: 1 401 313301 125633701