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40494054 = 2319355211
BaseRepresentation
bin1001101001111…
…0001111100110
32211012022101210
42122132033212
540331302204
64003532250
71001123316
oct232361746
984168353
1040494054
1120948867
121168a086
13850a6a3
145541446
15384d389
hex269e3e6

40494054 has 16 divisors (see below), whose sum is σ = 85250880. Its totient is φ = 12787560.

The previous prime is 40493989. The next prime is 40494059. The reversal of 40494054 is 45049404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40494059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177492 + ... + 177719.

It is an arithmetic number, because the mean of its divisors is an integer number (5328180).

Almost surely, 240494054 is an apocalyptic number.

40494054 is an abundant number, since it is smaller than the sum of its proper divisors (44756826).

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

40494054 is a wasteful number, since it uses less digits than its factorization.

40494054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355235.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40494054 is about 6363.4938516510. The cubic root of 40494054 is about 343.3974658425.

The spelling of 40494054 in words is "forty million, four hundred ninety-four thousand, fifty-four".

Divisors: 1 2 3 6 19 38 57 114 355211 710422 1065633 2131266 6749009 13498018 20247027 40494054