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466138897 = 766591271
BaseRepresentation
bin11011110010001…
…011011100010001
31012111010022100121
4123302023130101
51423312421042
6114130550241
714360054350
oct3362133421
91174108317
10466138897
1121a13a064
12110138381
137575a843
1445c9d997
152adca367
hex1bc8b711

466138897 has 4 divisors (see below), whose sum is σ = 532730176. Its totient is φ = 399547620.

The previous prime is 466138859. The next prime is 466138919. The reversal of 466138897 is 798831664.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-466138897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (466138297) 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, 33295629 + ... + 33295642.

It is an arithmetic number, because the mean of its divisors is an integer number (133182544).

Almost surely, 2466138897 is an apocalyptic number.

It is an amenable number.

466138897 is a deficient number, since it is larger than the sum of its proper divisors (66591279).

466138897 is an equidigital number, since it uses as much as digits as its factorization.

466138897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66591278.

The product of its digits is 1741824, while the sum is 52.

The square root of 466138897 is about 21590.2500448698. The cubic root of 466138897 is about 775.3630748320.

The spelling of 466138897 in words is "four hundred sixty-six million, one hundred thirty-eight thousand, eight hundred ninety-seven".

Divisors: 1 7 66591271 466138897