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40833380 = 22572631109
BaseRepresentation
bin1001101111000…
…1000101100100
32211211112212102
42123301011210
540423132010
64015111232
71004035520
oct233610544
984745772
1040833380
112105a7a5
1211812518
1385c8c83
1455ccd80
1538b8ba5
hex26f1164

40833380 has 48 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 13934208.

The previous prime is 40833361. The next prime is 40833383. The reversal of 40833380 is 8333804.

It is not an unprimeable number, because it can be changed into a prime (40833383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36266 + ... + 37374.

It is an arithmetic number, because the mean of its divisors is an integer number (2051280).

Almost surely, 240833380 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 40833380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49230720).

40833380 is an abundant number, since it is smaller than the sum of its proper divisors (57628060).

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

40833380 is a wasteful number, since it uses less digits than its factorization.

40833380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40833380 is about 6390.1001557096. The cubic root of 40833380 is about 344.3539825645.

The spelling of 40833380 in words is "forty million, eight hundred thirty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 263 526 1052 1109 1315 1841 2218 2630 3682 4436 5260 5545 7364 7763 9205 11090 15526 18410 22180 31052 36820 38815 77630 155260 291667 583334 1166668 1458335 2041669 2916670 4083338 5833340 8166676 10208345 20416690 40833380