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427447748 = 227131174307
BaseRepresentation
bin11001011110100…
…101010111000100
31002210022121002002
4121132211113010
51333411311443
6110225404432
713410150230
oct3136452704
91083277062
10427447748
111aa312902
12bb199718
136a731980
1440aab5c0
15277d62b8
hex197a55c4

427447748 has 24 divisors (see below), whose sum is σ = 920657472. Its totient is φ = 169100064.

The previous prime is 427447723. The next prime is 427447781. The reversal of 427447748 is 847744724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586790 + ... + 587517.

It is an arithmetic number, because the mean of its divisors is an integer number (38360728).

Almost surely, 2427447748 is an apocalyptic number.

It is an amenable number.

427447748 is an abundant number, since it is smaller than the sum of its proper divisors (493209724).

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

427447748 is a wasteful number, since it uses less digits than its factorization.

427447748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174331 (or 1174329 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 47.

The square root of 427447748 is about 20674.8095033546. The cubic root of 427447748 is about 753.2879341077.

The spelling of 427447748 in words is "four hundred twenty-seven million, four hundred forty-seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 1174307 2348614 4697228 8220149 15265991 16440298 30531982 32880596 61063964 106861937 213723874 427447748