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40238514 = 2328772549
BaseRepresentation
bin1001100101111…
…1110110110010
32210201022212100
42121133312302
540300113024
63554241230
7666010311
oct231376662
983638770
1040238514
1120793878
1211586216
13844b294
1454b6278
1537ec7c9
hex265fdb2

40238514 has 24 divisors (see below), whose sum is σ = 87317100. Its totient is φ = 13392288.

The previous prime is 40238503. The next prime is 40238521. The reversal of 40238514 is 41583204.

It can be written as a sum of positive squares in 2 ways, for example, as 32867289 + 7371225 = 5733^2 + 2715^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14512 + ... + 17060.

Almost surely, 240238514 is an apocalyptic number.

40238514 is an abundant number, since it is smaller than the sum of its proper divisors (47078586).

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

40238514 is a wasteful number, since it uses less digits than its factorization.

40238514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40238514 is about 6343.3834820228. The cubic root of 40238514 is about 342.6735980386.

The spelling of 40238514 in words is "forty million, two hundred thirty-eight thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 877 1754 2549 2631 5098 5262 7647 7893 15294 15786 22941 45882 2235473 4470946 6706419 13412838 20119257 40238514