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1074440 = 23526861
BaseRepresentation
bin100000110010100001000
32000120212002
410012110020
5233340230
635010132
712063323
oct4062410
92016762
101074440
11674274
12439948
132b8083
141dd7ba
15163545
hex106508

1074440 has 16 divisors (see below), whose sum is σ = 2417580. Its totient is φ = 429760.

The previous prime is 1074433. The next prime is 1074461. The reversal of 1074440 is 444701.

It can be written as a sum of positive squares in 2 ways, for example, as 925444 + 148996 = 962^2 + 386^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13391 + ... + 13470.

21074440 is an apocalyptic number.

1074440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074440 is an abundant number, since it is smaller than the sum of its proper divisors (1343140).

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

1074440 is a wasteful number, since it uses less digits than its factorization.

1074440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26872 (or 26868 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1074440 is about 1036.5519765067. The cubic root of 1074440 is about 102.4221896086.

The spelling of 1074440 in words is "one million, seventy-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 26861 53722 107444 134305 214888 268610 537220 1074440