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454464142 = 21121877951
BaseRepresentation
bin11011000101101…
…001001010001110
31011200011011121021
4123011221022032
51412320323032
6113032424354
714155611226
oct3305511216
91150134537
10454464142
11213595700
121082480ba
13732008c2
1444501086
1529d71097
hex1b16928e

454464142 has 12 divisors (see below), whose sum is σ = 749302848. Its totient is φ = 206574500.

The previous prime is 454464139. The next prime is 454464163. The reversal of 454464142 is 241464454.

It is a junction number, because it is equal to n+sod(n) for n = 454464098 and 454464107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 938734 + ... + 939217.

It is an arithmetic number, because the mean of its divisors is an integer number (62441904).

Almost surely, 2454464142 is an apocalyptic number.

454464142 is a deficient number, since it is larger than the sum of its proper divisors (294838706).

454464142 is a wasteful number, since it uses less digits than its factorization.

454464142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877975 (or 1877964 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 454464142 is about 21318.1646020477. The cubic root of 454464142 is about 768.8351093380.

It can be divided in two parts, 4544 and 64142, that added together give a palindrome (68686).

The spelling of 454464142 in words is "four hundred fifty-four million, four hundred sixty-four thousand, one hundred forty-two".

Divisors: 1 2 11 22 121 242 1877951 3755902 20657461 41314922 227232071 454464142