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1428474 = 23238079
BaseRepresentation
bin101011100101111111010
32200120111110
411130233322
5331202344
650341150
715066435
oct5345772
92616443
101428474
11896263
1258a7b6
133b0268
1429281c
151d33b9
hex15cbfa

1428474 has 8 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 476156.

The previous prime is 1428473. The next prime is 1428491. The reversal of 1428474 is 4748241.

It is a sphenic number, since it is the product of 3 distinct primes.

1428474 is an admirable number.

It is a d-powerful number, because it can be written as 1 + 43 + 25 + 8 + 49 + 76 + 410 .

It is not an unprimeable number, because it can be changed into a prime (1428473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119034 + ... + 119045.

It is an arithmetic number, because the mean of its divisors is an integer number (357120).

21428474 is an apocalyptic number.

1428474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1428474 is a wasteful number, since it uses less digits than its factorization.

1428474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238084.

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

The square root of 1428474 is about 1195.1878513439. The cubic root of 1428474 is about 112.6222276493.

The spelling of 1428474 in words is "one million, four hundred twenty-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 238079 476158 714237 1428474