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252000461 = 271929891
BaseRepresentation
bin11110000010100…
…11100011001101
3122120011221122102
433001103203031
51004003003321
641001124445
76146653136
oct1701234315
9576157572
10252000461
1111a27a749
1270489725
13402930cb
142567ac8d
15171cbc0b
hexf0538cd

252000461 has 4 divisors (see below), whose sum is σ = 252930624. Its totient is φ = 251070300.

The previous prime is 252000449. The next prime is 252000491. The reversal of 252000461 is 164000252.

It is a happy number.

252000461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252000461 - 210 = 251999437 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 (252000431) 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, 464675 + ... + 465216.

It is an arithmetic number, because the mean of its divisors is an integer number (63232656).

Almost surely, 2252000461 is an apocalyptic number.

It is an amenable number.

252000461 is a deficient number, since it is larger than the sum of its proper divisors (930163).

252000461 is an equidigital number, since it uses as much as digits as its factorization.

252000461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930162.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 252000461 is about 15874.5223865161. The cubic root of 252000461 is about 631.6363449297.

The spelling of 252000461 in words is "two hundred fifty-two million, four hundred sixty-one", and thus it is an aban number.

Divisors: 1 271 929891 252000461