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40854380 = 2257291817
BaseRepresentation
bin1001101111011…
…0001101101100
32211212121200012
42123312031230
540424320010
64015352352
71004153660
oct233661554
984777605
1040854380
1121074556
12118226b8
1386056b8
1455d68a0
1538c0005
hex26f636c

40854380 has 24 divisors (see below), whose sum is σ = 98050848. Its totient is φ = 14007168.

The previous prime is 40854367. The next prime is 40854397. The reversal of 40854380 is 8345804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145769 + ... + 146048.

It is an arithmetic number, because the mean of its divisors is an integer number (4085452).

Almost surely, 240854380 is an apocalyptic number.

It is an amenable number.

40854380 is an abundant number, since it is smaller than the sum of its proper divisors (57196468).

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

40854380 is a wasteful number, since it uses less digits than its factorization.

40854380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291833 (or 291831 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40854380 is about 6391.7431112334. The cubic root of 40854380 is about 344.4130044915.

The spelling of 40854380 in words is "forty million, eight hundred fifty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 291817 583634 1167268 1459085 2042719 2918170 4085438 5836340 8170876 10213595 20427190 40854380