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40285158 = 236714193
BaseRepresentation
bin1001100110101…
…1001111100110
32210210200211220
42121223033212
540303111113
63555241210
7666263304
oct231531746
983720756
1040285158
1120815921
12115a9206
138466594
1454c9274
15380b523
hex266b3e6

40285158 has 8 divisors (see below), whose sum is σ = 80570328. Its totient is φ = 13428384.

The previous prime is 40285103. The next prime is 40285159. The reversal of 40285158 is 85158204.

It is a sphenic number, since it is the product of 3 distinct primes.

40285158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40285159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357091 + ... + 3357102.

It is an arithmetic number, because the mean of its divisors is an integer number (10071291).

Almost surely, 240285158 is an apocalyptic number.

40285158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40285158 is a wasteful number, since it uses less digits than its factorization.

40285158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714198.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 40285158 is about 6347.0590039797. The cubic root of 40285158 is about 342.8059546100.

The spelling of 40285158 in words is "forty million, two hundred eighty-five thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 6714193 13428386 20142579 40285158