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625745071 = 7113791081
BaseRepresentation
bin100101010011000…
…001110010101111
31121121110010212101
4211103001302233
52240142320241
6142031515531
721335513440
oct4523016257
91547403771
10625745071
112a1242596
12155688ba7
139c840c73
145d1692c7
1539e05e31
hex254c1caf

625745071 has 8 divisors (see below), whose sum is σ = 721466784. Its totient is φ = 531605760.

The previous prime is 625745063. The next prime is 625745077. The reversal of 625745071 is 170547526.

625745071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 625745071 - 23 = 625745063 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 625745071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625745077) 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, 394750 + ... + 396331.

It is an arithmetic number, because the mean of its divisors is an integer number (90183348).

Almost surely, 2625745071 is an apocalyptic number.

625745071 is a deficient number, since it is larger than the sum of its proper divisors (95721713).

625745071 is a wasteful number, since it uses less digits than its factorization.

625745071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791201.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 625745071 is about 25014.8969815988. The cubic root of 625745071 is about 855.3275860187.

The spelling of 625745071 in words is "six hundred twenty-five million, seven hundred forty-five thousand, seventy-one".

Divisors: 1 7 113 791 791081 5537567 89392153 625745071