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40836980 = 2252041849
BaseRepresentation
bin1001101111000…
…1111101110100
32211211201210202
42123301331310
540423240410
64015140032
71004052152
oct233617564
984751722
1040836980
1121062478
1211814618
1385ca7c2
1455d03d2
1538b9ca5
hex26f1f74

40836980 has 12 divisors (see below), whose sum is σ = 85757700. Its totient is φ = 16334784.

The previous prime is 40836973. The next prime is 40837001. The reversal of 40836980 is 8963804.

It can be written as a sum of positive squares in 2 ways, for example, as 10784656 + 30052324 = 3284^2 + 5482^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020905 + ... + 1020944.

It is an arithmetic number, because the mean of its divisors is an integer number (7146475).

Almost surely, 240836980 is an apocalyptic number.

It is an amenable number.

40836980 is an abundant number, since it is smaller than the sum of its proper divisors (44920720).

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

40836980 is a wasteful number, since it uses less digits than its factorization.

40836980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041858 (or 2041856 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40836980 is about 6390.3818352271. The cubic root of 40836980 is about 344.3641020461.

The spelling of 40836980 in words is "forty million, eight hundred thirty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2041849 4083698 8167396 10209245 20418490 40836980