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625252493 = 23119322787
BaseRepresentation
bin100101010001001…
…001100010001101
31121120112010011202
4211101021202031
52240031034433
6142013155245
721331362365
oct4521114215
91546463152
10625252493
112a0a364a8
1215548bb25
139c6ca9b8
145d07b9a5
1539d59ee8
hex2544988d

625252493 has 8 divisors (see below), whose sum is σ = 653012928. Its totient is φ = 597540064.

The previous prime is 625252487. The next prime is 625252517. The reversal of 625252493 is 394252526.

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 625252493 - 26 = 625252429 is a prime.

It is a super-3 number, since 3×6252524933 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625252403) 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, 16046 + ... + 38832.

It is an arithmetic number, because the mean of its divisors is an integer number (81626616).

Almost surely, 2625252493 is an apocalyptic number.

It is an amenable number.

625252493 is a deficient number, since it is larger than the sum of its proper divisors (27760435).

625252493 is a wasteful number, since it uses less digits than its factorization.

625252493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003.

The product of its digits is 129600, while the sum is 38.

The square root of 625252493 is about 25005.0493500813. The cubic root of 625252493 is about 855.1030930258.

The spelling of 625252493 in words is "six hundred twenty-five million, two hundred fifty-two thousand, four hundred ninety-three".

Divisors: 1 23 1193 22787 27439 524101 27184891 625252493