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1427448 = 233115407
BaseRepresentation
bin101011100011111111000
32200112002110
411130133320
5331134243
650332320
715063441
oct5343770
92615073
101427448
11895510
1258a0a0
133ac959
142922c8
151d2e33
hex15c7f8

1427448 has 32 divisors (see below), whose sum is σ = 3893760. Its totient is φ = 432480.

The previous prime is 1427431. The next prime is 1427453. The reversal of 1427448 is 8447241.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 2440 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

21427448 is an apocalyptic number.

It is an amenable number.

1427448 is an abundant number, since it is smaller than the sum of its proper divisors (2466312).

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

1427448 is a wasteful number, since it uses less digits than its factorization.

1427448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427 (or 5423 counting only the distinct ones).

The product of its digits is 7168, while the sum is 30.

The square root of 1427448 is about 1194.7585530140. The cubic root of 1427448 is about 112.5952575910.

The spelling of 1427448 in words is "one million, four hundred twenty-seven thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 5407 10814 16221 21628 32442 43256 59477 64884 118954 129768 178431 237908 356862 475816 713724 1427448