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40010157 = 32112771459
BaseRepresentation
bin1001100010100…
…0000110101101
32210021201121200
42120220012231
540220311112
63545320113
7664036455
oct230500655
983251550
1040010157
1120648250
1211496039
13839b365
145456d65
1537a4cdc
hex26281ad

40010157 has 24 divisors (see below), whose sum is σ = 63317280. Its totient is φ = 24144480.

The previous prime is 40010149. The next prime is 40010171. The reversal of 40010157 is 75101004.

It is not a de Polignac number, because 40010157 - 23 = 40010149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26694 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (2638220).

Almost surely, 240010157 is an apocalyptic number.

It is an amenable number.

40010157 is a deficient number, since it is larger than the sum of its proper divisors (23307123).

40010157 is a wasteful number, since it uses less digits than its factorization.

40010157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 40010157 is about 6325.3582507238. The cubic root of 40010157 is about 342.0241339284.

The spelling of 40010157 in words is "forty million, ten thousand, one hundred fifty-seven".

Divisors: 1 3 9 11 33 99 277 831 1459 2493 3047 4377 9141 13131 16049 27423 48147 144441 404143 1212429 3637287 4445573 13336719 40010157