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3941388 = 22321137269
BaseRepresentation
bin1111000010010000001100
321102020120100
433002100030
52002111023
6220251100
745333633
oct17022014
97366510
103941388
112252250
1213a0a90
13a7cca9
1474851a
1552cc43
hex3c240c

3941388 has 72 divisors (see below), whose sum is σ = 11203920. Its totient is φ = 1157760.

The previous prime is 3941381. The next prime is 3941411. The reversal of 3941388 is 8831493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3941381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14518 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (155610).

Almost surely, 23941388 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 3941388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601960).

3941388 is an abundant number, since it is smaller than the sum of its proper divisors (7262532).

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

3941388 is a wasteful number, since it uses less digits than its factorization.

3941388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 322 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3941388 is about 1985.2929254898. The cubic root of 3941388 is about 157.9609474598.

The spelling of 3941388 in words is "three million, nine hundred forty-one thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 37 44 66 74 99 111 132 148 198 222 269 333 396 407 444 538 666 807 814 1076 1221 1332 1614 1628 2421 2442 2959 3228 3663 4842 4884 5918 7326 8877 9684 9953 11836 14652 17754 19906 26631 29859 35508 39812 53262 59718 89577 106524 109483 119436 179154 218966 328449 358308 437932 656898 985347 1313796 1970694 3941388