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40850988 = 223191391289
BaseRepresentation
bin1001101111010…
…1011000101100
32211212110000120
42123311120230
540424212423
64015324540
71004141043
oct233653054
984773016
1040850988
1121071a52
1211820750
138603ca9
1455d555a
1538bdee3
hex26f562c

40850988 has 48 divisors (see below), whose sum is σ = 101136000. Its totient is φ = 12797568.

The previous prime is 40850987. The next prime is 40850993. The reversal of 40850988 is 88905804.

It is a super-2 number, since 2×408509882 = 3337606441152288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40850981) 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, 31048 + ... + 32336.

It is an arithmetic number, because the mean of its divisors is an integer number (2107000).

Almost surely, 240850988 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 40850988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50568000).

40850988 is an abundant number, since it is smaller than the sum of its proper divisors (60285012).

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

40850988 is a wasteful number, since it uses less digits than its factorization.

40850988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 40850988 is about 6391.4777633971. The cubic root of 40850988 is about 344.4034724148.

The spelling of 40850988 in words is "forty million, eight hundred fifty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 139 228 278 417 556 834 1289 1668 2578 2641 3867 5156 5282 7734 7923 10564 15468 15846 24491 31692 48982 73473 97964 146946 179171 293892 358342 537513 716684 1075026 2150052 3404249 6808498 10212747 13616996 20425494 40850988