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40125054 = 2324127749
BaseRepresentation
bin1001100100010…
…0001001111110
32210111120020010
42121010021332
540233000204
63552004050
7665025444
oct231041176
983446203
1040125054
1120716602
1211530626
13840b748
145486b94
1537c8d89
hex264427e

40125054 has 16 divisors (see below), whose sum is σ = 80586000. Its totient is φ = 13319040.

The previous prime is 40125053. The next prime is 40125091. The reversal of 40125054 is 45052104.

It is a super-2 number, since 2×401250542 = 3220039917005832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40125054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125053) 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, 12429 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (5036625).

Almost surely, 240125054 is an apocalyptic number.

40125054 is an abundant number, since it is smaller than the sum of its proper divisors (40460946).

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

40125054 is a wasteful number, since it uses less digits than its factorization.

40125054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27995.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40125054 is about 6334.4339920785. The cubic root of 40125054 is about 342.3512174566.

Adding to 40125054 its reverse (45052104), we get a palindrome (85177158).

The spelling of 40125054 in words is "forty million, one hundred twenty-five thousand, fifty-four".

Divisors: 1 2 3 6 241 482 723 1446 27749 55498 83247 166494 6687509 13375018 20062527 40125054