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40542036 = 22310332801
BaseRepresentation
bin1001101010100…
…1111101010100
32211021202012220
42122221331110
540334321121
64004542340
71001413233
oct232517524
984252186
1040542036
1120980917
12116b19b0
138526492
145554b1a
15385c6c6
hex26a9f54

40542036 has 24 divisors (see below), whose sum is σ = 95519424. Its totient is φ = 13382400.

The previous prime is 40542001. The next prime is 40542041. The reversal of 40542036 is 63024504.

It is a junction number, because it is equal to n+sod(n) for n = 40541997 and 40542015.

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, 15165 + ... + 17636.

It is an arithmetic number, because the mean of its divisors is an integer number (3979976).

Almost surely, 240542036 is an apocalyptic number.

It is an amenable number.

40542036 is an abundant number, since it is smaller than the sum of its proper divisors (54977388).

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

40542036 is a wasteful number, since it uses less digits than its factorization.

40542036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32911 (or 32909 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40542036 is about 6367.2628342169. The cubic root of 40542036 is about 343.5330445424.

The spelling of 40542036 in words is "forty million, five hundred forty-two thousand, thirty-six".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 32801 65602 98403 131204 196806 393612 3378503 6757006 10135509 13514012 20271018 40542036