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3781074 = 231159971
BaseRepresentation
bin1110011011000111010010
321010002122210
432123013102
51431443244
6213012550
744065353
oct16330722
97102583
103781074
112152860
121324156
13a2502b
14705d2a
154ea4b9
hex39b1d2

3781074 has 32 divisors (see below), whose sum is σ = 8398080. Its totient is φ = 1125200.

The previous prime is 3781007. The next prime is 3781079. The reversal of 3781074 is 4701873.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3781079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 4379.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

Almost surely, 23781074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3781074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4199040).

3781074 is an abundant number, since it is smaller than the sum of its proper divisors (4617006).

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

3781074 is a wasteful number, since it uses less digits than its factorization.

3781074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 3781074 is about 1944.4983929024. The cubic root of 3781074 is about 155.7895749354.

The spelling of 3781074 in words is "three million, seven hundred eighty-one thousand, seventy-four".

Divisors: 1 2 3 6 11 22 33 59 66 118 177 354 649 971 1298 1942 1947 2913 3894 5826 10681 21362 32043 57289 64086 114578 171867 343734 630179 1260358 1890537 3781074