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1405068 = 223743389
BaseRepresentation
bin101010111000010001100
32122101101120
411113002030
5324430233
650040540
714641260
oct5270214
92571346
101405068
1187a715
12579150
133a2702
142880a0
151cb4b3
hex15708c

1405068 has 48 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 391104.

The previous prime is 1405039. The next prime is 1405087. The reversal of 1405068 is 8605041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

21405068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1405068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921920).

1405068 is an abundant number, since it is smaller than the sum of its proper divisors (2438772).

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

1405068 is a wasteful number, since it uses less digits than its factorization.

1405068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1405068 is about 1185.3556428347. The cubic root of 1405068 is about 112.0037201145.

The spelling of 1405068 in words is "one million, four hundred five thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 389 516 602 778 903 1167 1204 1556 1806 2334 2723 3612 4668 5446 8169 10892 16338 16727 32676 33454 50181 66908 100362 117089 200724 234178 351267 468356 702534 1405068