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469819121 = 1019461059
BaseRepresentation
bin11100000000001…
…101111011110001
31012202001021200012
4130000031323301
51430233202441
6114341504305
714433253022
oct3400157361
91182037605
10469819121
11221223072
12111412095
13764489a5
144657ac49
152b3a59eb
hex1c00def1

469819121 has 4 divisors (see below), whose sum is σ = 470281200. Its totient is φ = 469357044.

The previous prime is 469819109. The next prime is 469819151. The reversal of 469819121 is 121918964.

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 469819121 - 218 = 469556977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469819151) 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, 229511 + ... + 231548.

It is an arithmetic number, because the mean of its divisors is an integer number (117570300).

Almost surely, 2469819121 is an apocalyptic number.

It is an amenable number.

469819121 is a deficient number, since it is larger than the sum of its proper divisors (462079).

469819121 is a wasteful number, since it uses less digits than its factorization.

469819121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462078.

The product of its digits is 31104, while the sum is 41.

The square root of 469819121 is about 21675.3113241771. The cubic root of 469819121 is about 777.3982571760.

The spelling of 469819121 in words is "four hundred sixty-nine million, eight hundred nineteen thousand, one hundred twenty-one".

Divisors: 1 1019 461059 469819121