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40159230 = 2351338641
BaseRepresentation
bin1001100100110…
…0011111111110
32210120022002220
42121030133332
540240043410
63552430210
7665230206
oct231143776
983508086
1040159230
112073a251
1211548366
138421177
145495406
1537d4070
hex264c7fe

40159230 has 16 divisors (see below), whose sum is σ = 96382224. Its totient is φ = 10709120.

The previous prime is 40159211. The next prime is 40159243. The reversal of 40159230 is 3295104.

It is a super-2 number, since 2×401592302 = 3225527508385800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40159230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669291 + ... + 669350.

It is an arithmetic number, because the mean of its divisors is an integer number (6023889).

Almost surely, 240159230 is an apocalyptic number.

40159230 is an abundant number, since it is smaller than the sum of its proper divisors (56222994).

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

40159230 is a wasteful number, since it uses less digits than its factorization.

40159230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338651.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40159230 is about 6337.1310543494. The cubic root of 40159230 is about 342.4483876265.

The spelling of 40159230 in words is "forty million, one hundred fifty-nine thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1338641 2677282 4015923 6693205 8031846 13386410 20079615 40159230