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40430852 = 22711149881
BaseRepresentation
bin1001101000111…
…0110100000100
32211002002200222
42122032310010
540322241402
64002323512
71000441130
oct232166404
984062628
1040430852
1120905330
1211659598
1384b79a7
1455263c0
1538397a2
hex268ed04

40430852 has 48 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 15628800.

The previous prime is 40430839. The next prime is 40430881. The reversal of 40430852 is 25803404.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45452 + ... + 46332.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 240430852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40430852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44452800).

40430852 is an abundant number, since it is smaller than the sum of its proper divisors (48474748).

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

40430852 is a wasteful number, since it uses less digits than its factorization.

40430852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40430852 is about 6358.5259298048. The cubic root of 40430852 is about 343.2187177248.

The spelling of 40430852 in words is "forty million, four hundred thirty thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 149 154 298 308 596 881 1043 1639 1762 2086 3278 3524 4172 6167 6556 9691 11473 12334 19382 22946 24668 38764 45892 67837 131269 135674 262538 271348 525076 918883 1443959 1837766 2887918 3675532 5775836 10107713 20215426 40430852