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41440540 = 22513115817
BaseRepresentation
bin1001111000010…
…1010100011100
32212222101201211
42132011110130
541102044130
64040114204
71012144621
oct236052434
985871654
1041440540
1121434989
1211a65964
13877c43b
14570a348
153988a2a
hex278551c

41440540 has 24 divisors (see below), whose sum is σ = 87694992. Its totient is φ = 16448640.

The previous prime is 41440537. The next prime is 41440547. The reversal of 41440540 is 4504414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41440547) 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, 5289 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (3653958).

Almost surely, 241440540 is an apocalyptic number.

It is an amenable number.

41440540 is an abundant number, since it is smaller than the sum of its proper divisors (46254452).

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

41440540 is a wasteful number, since it uses less digits than its factorization.

41440540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15957 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 41440540 is about 6437.4327180950. The cubic root of 41440540 is about 346.0523493247.

Adding to 41440540 its reverse (4504414), we get a palindrome (45944954).

The spelling of 41440540 in words is "forty-one million, four hundred forty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 15817 31634 63268 79085 158170 316340 2072027 4144054 8288108 10360135 20720270 41440540