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40801790 = 254678737
BaseRepresentation
bin1001101110100…
…1010111111110
32211202221112102
42123221113332
540421124130
64014305102
71003544441
oct233512776
984687472
1040801790
1121038a97
12117b8192
1385b7793
1455c1658
1538ae645
hex26e95fe

40801790 has 16 divisors (see below), whose sum is σ = 73608912. Its totient is φ = 16283904.

The previous prime is 40801771. The next prime is 40801867. The reversal of 40801790 is 9710804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (4600557).

Almost surely, 240801790 is an apocalyptic number.

40801790 is a deficient number, since it is larger than the sum of its proper divisors (32807122).

40801790 is a wasteful number, since it uses less digits than its factorization.

40801790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 40801790 is about 6387.6278852169. The cubic root of 40801790 is about 344.2651585947.

The spelling of 40801790 in words is "forty million, eight hundred one thousand, seven hundred ninety".

Divisors: 1 2 5 10 467 934 2335 4670 8737 17474 43685 87370 4080179 8160358 20400895 40801790