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610172053 = 1394389727
BaseRepresentation
bin100100010111100…
…111110010010101
31120112010221200221
4210113213302111
52222201001203
6140314034341
721056243161
oct4427476225
91515127627
10610172053
11293476327
121504189b1
139954a86a
145b073ca1
153887babd
hex245e7c95

610172053 has 4 divisors (see below), whose sum is σ = 614561920. Its totient is φ = 605782188.

The previous prime is 610172051. The next prime is 610172077. The reversal of 610172053 is 350271016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 610172053 - 21 = 610172051 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 (610172051) 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, 2194725 + ... + 2195002.

It is an arithmetic number, because the mean of its divisors is an integer number (153640480).

Almost surely, 2610172053 is an apocalyptic number.

It is an amenable number.

610172053 is a deficient number, since it is larger than the sum of its proper divisors (4389867).

610172053 is a wasteful number, since it uses less digits than its factorization.

610172053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389866.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 610172053 is about 24701.6609360585. The cubic root of 610172053 is about 848.1723373521.

The spelling of 610172053 in words is "six hundred ten million, one hundred seventy-two thousand, fifty-three".

Divisors: 1 139 4389727 610172053