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40250574 = 2337138191
BaseRepresentation
bin1001100110001…
…0110011001110
32210201221102000
42121202303032
540301004244
63554413130
7666060420
oct231426316
983657360
1040250574
11207a1941
12115911a6
138453910
1454ba810
153801169
hex2662cce

40250574 has 64 divisors (see below), whose sum is σ = 110100480. Its totient is φ = 10614240.

The previous prime is 40250557. The next prime is 40250597. The reversal of 40250574 is 47505204.

40250574 is a `hidden beast` number, since 40 + 2 + 50 + 574 = 666.

40250574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 819 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (1720320).

Almost surely, 240250574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40250574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55050240).

40250574 is an abundant number, since it is smaller than the sum of its proper divisors (69849906).

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

40250574 is a wasteful number, since it uses less digits than its factorization.

40250574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222 (or 8216 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40250574 is about 6344.3340076008. The cubic root of 40250574 is about 342.7078291800.

Adding to 40250574 its reverse (47505204), we get a palindrome (87755778).

The spelling of 40250574 in words is "forty million, two hundred fifty thousand, five hundred seventy-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 4914 8191 16382 24573 49146 57337 73719 106483 114674 147438 172011 212966 221157 319449 344022 442314 516033 638898 745381 958347 1032066 1490762 1548099 1916694 2236143 2875041 3096198 4472286 5750082 6708429 13416858 20125287 40250574