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41391380 = 2252069569
BaseRepresentation
bin1001110111100…
…1010100010100
32212212220022002
42131321110110
541044011010
64035054432
71011551402
oct235712424
985786262
1041391380
1121400a58
1211a41418
138762c54
1456d6472
1539791a5
hex2779514

41391380 has 12 divisors (see below), whose sum is σ = 86921940. Its totient is φ = 16556544.

The previous prime is 41391373. The next prime is 41391397. The reversal of 41391380 is 8319314.

41391380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10876804 + 30514576 = 3298^2 + 5524^2 .

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 3 ways as a sum of consecutive naturals, for example, 1034765 + ... + 1034804.

It is an arithmetic number, because the mean of its divisors is an integer number (7243495).

Almost surely, 241391380 is an apocalyptic number.

It is an amenable number.

41391380 is an abundant number, since it is smaller than the sum of its proper divisors (45530560).

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

41391380 is a wasteful number, since it uses less digits than its factorization.

41391380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069578 (or 2069576 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 41391380 is about 6433.6132926995. The cubic root of 41391380 is about 345.9154570859.

Subtracting from 41391380 its sum of digits (29), we obtain a triangular number (41391351 = T9098).

The spelling of 41391380 in words is "forty-one million, three hundred ninety-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2069569 4139138 8278276 10347845 20695690 41391380