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454072938 = 23116879893
BaseRepresentation
bin11011000100001…
…001101001101010
31011122102021222020
4123010021221222
51412220313223
6113020205310
714152361544
oct3304115152
91148367866
10454072938
112133487a0
12108099836
13730c4817
144443c694
1529ce51e3
hex1b109a6a

454072938 has 16 divisors (see below), whose sum is σ = 990704736. Its totient is φ = 137597840.

The previous prime is 454072891. The next prime is 454072939. The reversal of 454072938 is 839270454.

It is a self number, because there is not a number n which added to its sum of digits gives 454072938.

It is not an unprimeable number, because it can be changed into a prime (454072939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439881 + ... + 3440012.

It is an arithmetic number, because the mean of its divisors is an integer number (61919046).

Almost surely, 2454072938 is an apocalyptic number.

454072938 is an abundant number, since it is smaller than the sum of its proper divisors (536631798).

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

454072938 is a wasteful number, since it uses less digits than its factorization.

454072938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879909.

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

The square root of 454072938 is about 21308.9872589009. The cubic root of 454072938 is about 768.6144408736.

The spelling of 454072938 in words is "four hundred fifty-four million, seventy-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 6879893 13759786 20639679 41279358 75678823 151357646 227036469 454072938