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40541930 = 25111328351
BaseRepresentation
bin1001101010100…
…1111011101010
32211021202001222
42122221323222
540334320210
64004542042
71001413022
oct232517352
984252058
1040541930
1120980830
12116b1922
138526410
145554a82
15385c655
hex26a9eea

40541930 has 32 divisors (see below), whose sum is σ = 85736448. Its totient is φ = 13608000.

The previous prime is 40541929. The next prime is 40541947. The reversal of 40541930 is 3914504.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 40541930.

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, 12746 + ... + 15605.

It is an arithmetic number, because the mean of its divisors is an integer number (2679264).

Almost surely, 240541930 is an apocalyptic number.

40541930 is an abundant number, since it is smaller than the sum of its proper divisors (45194518).

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

40541930 is a wasteful number, since it uses less digits than its factorization.

40541930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28382.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40541930 is about 6367.2545103836. The cubic root of 40541930 is about 343.5327451450.

The spelling of 40541930 in words is "forty million, five hundred forty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 28351 56702 141755 283510 311861 368563 623722 737126 1559305 1842815 3118610 3685630 4054193 8108386 20270965 40541930