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40274748 = 223223127383
BaseRepresentation
bin1001100110100…
…0101100111100
32210210011120100
42121220230330
540302242443
63555121100
7666221043
oct231505474
983704510
1040274748
1120809018
12115a3190
138461917
1454c555a
1538083d3
hex2668b3c

40274748 has 72 divisors (see below), whose sum is σ = 107347968. Its totient is φ = 12706848.

The previous prime is 40274747. The next prime is 40274783. The reversal of 40274748 is 84747204.

40274748 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40274747) by changing a digit.

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, 104965 + ... + 105347.

It is an arithmetic number, because the mean of its divisors is an integer number (1490944).

Almost surely, 240274748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40274748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53673984).

40274748 is an abundant number, since it is smaller than the sum of its proper divisors (67073220).

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

40274748 is a wasteful number, since it uses less digits than its factorization.

40274748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 40274748 is about 6346.2388861435. The cubic root of 40274748 is about 342.7764241527.

The spelling of 40274748 in words is "forty million, two hundred seventy-four thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 127 138 207 254 276 381 383 414 508 762 766 828 1143 1149 1524 1532 2286 2298 2921 3447 4572 4596 5842 6894 8763 8809 11684 13788 17526 17618 26289 26427 35052 35236 48641 52578 52854 79281 97282 105156 105708 145923 158562 194564 291846 317124 437769 583692 875538 1118743 1751076 2237486 3356229 4474972 6712458 10068687 13424916 20137374 40274748