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40874820 = 22357213903
BaseRepresentation
bin1001101111101…
…1001101000100
32211220122201020
42123323031010
540430443240
64020031140
71004300400
oct233731504
984818636
1040874820
1121088948
12118324b0
138611aac
145600100
1538c60d0
hex26fb344

40874820 has 72 divisors (see below), whose sum is σ = 133144704. Its totient is φ = 9342144.

The previous prime is 40874809. The next prime is 40874831. The reversal of 40874820 is 2847804.

It is an interprime number because it is at equal distance from previous prime (40874809) and next prime (40874831).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4012 + ... + 9891.

It is an arithmetic number, because the mean of its divisors is an integer number (1849232).

Almost surely, 240874820 is an apocalyptic number.

It is an amenable number.

40874820 is an abundant number, since it is smaller than the sum of its proper divisors (92269884).

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

40874820 is a wasteful number, since it uses less digits than its factorization.

40874820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929 (or 13920 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 40874820 is about 6393.3418491427. The cubic root of 40874820 is about 344.4704330797.

The spelling of 40874820 in words is "forty million, eight hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 13903 27806 41709 55612 69515 83418 97321 139030 166836 194642 208545 278060 291963 389284 417090 486605 583926 681247 834180 973210 1167852 1362494 1459815 1946420 2043741 2724988 2919630 3406235 4087482 5839260 6812470 8174964 10218705 13624940 20437410 40874820