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378744012 = 22347914797
BaseRepresentation
bin10110100100110…
…010110011001100
3222101200012010000
4112210302303030
51233424302022
6101325444300
712246161643
oct2644626314
9871605100
10378744012
11184877a89
12a6a10690
136060b5aa
143843035a
15233b56ac
hex16932ccc

378744012 has 60 divisors (see below), whose sum is σ = 1002712480. Its totient is φ = 124641504.

The previous prime is 378744011. The next prime is 378744053. The reversal of 378744012 is 210447873.

It is a happy number.

It is a super-2 number, since 2×3787440122 = 286894053251712288, which contains 22 as substring.

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 (378744011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18198 + ... + 32994.

Almost surely, 2378744012 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 378744012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501356240).

378744012 is an abundant number, since it is smaller than the sum of its proper divisors (623968468).

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

378744012 is a wasteful number, since it uses less digits than its factorization.

378744012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892 (or 14881 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 378744012 is about 19461.3466132228. The cubic root of 378744012 is about 723.5167532096.

The spelling of 378744012 in words is "three hundred seventy-eight million, seven hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 79 81 108 158 162 237 316 324 474 711 948 1422 2133 2844 4266 6399 8532 12798 14797 25596 29594 44391 59188 88782 133173 177564 266346 399519 532692 799038 1168963 1198557 1598076 2337926 2397114 3506889 4675852 4794228 7013778 10520667 14027556 21041334 31562001 42082668 63124002 94686003 126248004 189372006 378744012