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40478094 = 23219711667
BaseRepresentation
bin1001101001101…
…0010110001110
32211011111111200
42122122112032
540330244334
64003330330
71001025636
oct232322616
984144450
1040478094
1120937878
12116809a6
138503347
1455396c6
153848799
hex269a58e

40478094 has 48 divisors (see below), whose sum is σ = 93674880. Its totient is φ = 12594960.

The previous prime is 40478063. The next prime is 40478101. The reversal of 40478094 is 49087404.

40478094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23449 + ... + 25115.

It is an arithmetic number, because the mean of its divisors is an integer number (1951560).

Almost surely, 240478094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40478094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46837440).

40478094 is an abundant number, since it is smaller than the sum of its proper divisors (53196786).

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

40478094 is a wasteful number, since it uses less digits than its factorization.

40478094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 40478094 is about 6362.2396999799. The cubic root of 40478094 is about 343.3523452779.

The spelling of 40478094 in words is "forty million, four hundred seventy-eight thousand, ninety-four".

Divisors: 1 2 3 6 9 18 19 38 57 71 114 142 171 213 342 426 639 1278 1349 1667 2698 3334 4047 5001 8094 10002 12141 15003 24282 30006 31673 63346 95019 118357 190038 236714 285057 355071 570114 710142 1065213 2130426 2248783 4497566 6746349 13492698 20239047 40478094