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469745142 = 23101775157
BaseRepresentation
bin11011111111111…
…011110111110110
31012201220112012020
4123333323313312
51430223321032
6114340134010
714432524236
oct3377736766
91181815166
10469745142
11221182529
12111397306
1376421109
144655bcc6
152b38db2c
hex1bffbdf6

469745142 has 16 divisors (see below), whose sum is σ = 948793392. Its totient is φ = 155031200.

The previous prime is 469745069. The next prime is 469745149. The reversal of 469745142 is 241547964.

It is a junction number, because it is equal to n+sod(n) for n = 469745094 and 469745103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469745149) 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, 386973 + ... + 388184.

It is an arithmetic number, because the mean of its divisors is an integer number (59299587).

Almost surely, 2469745142 is an apocalyptic number.

469745142 is an abundant number, since it is smaller than the sum of its proper divisors (479048250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

469745142 is a wasteful number, since it uses less digits than its factorization.

469745142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775263.

The product of its digits is 241920, while the sum is 42.

The square root of 469745142 is about 21673.6047301781. The cubic root of 469745142 is about 777.3574512842.

The spelling of 469745142 in words is "four hundred sixty-nine million, seven hundred forty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 101 202 303 606 775157 1550314 2325471 4650942 78290857 156581714 234872571 469745142