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40143762 = 234383647
BaseRepresentation
bin1001100100100…
…0101110010010
32210112111220000
42121020232102
540234100022
63552230430
7665134131
oct231105622
983474800
1040143762
112072966a
121153b416
138417109
14548d918
1537ce6ac
hex2648b92

40143762 has 40 divisors (see below), whose sum is σ = 90326016. Its totient is φ = 13325688.

The previous prime is 40143757. The next prime is 40143769. The reversal of 40143762 is 26734104.

It is a super-2 number, since 2×401437622 = 3223043255025288, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (40143769) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 61723 + ... + 62369.

Almost surely, 240143762 is an apocalyptic number.

40143762 is an abundant number, since it is smaller than the sum of its proper divisors (50182254).

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

40143762 is a wasteful number, since it uses less digits than its factorization.

40143762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40143762 is about 6335.9105107317. The cubic root of 40143762 is about 342.4044154033.

Adding to 40143762 its reverse (26734104), we get a palindrome (66877866).

It can be divided in two parts, 4014 and 3762, that added together give a 5-th power (7776 = 65).

The spelling of 40143762 in words is "forty million, one hundred forty-three thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 383 647 766 1149 1294 1941 2298 3447 3882 5823 6894 10341 11646 17469 20682 31023 34938 52407 62046 104814 247801 495602 743403 1486806 2230209 4460418 6690627 13381254 20071881 40143762