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3930276 = 223771659
BaseRepresentation
bin1110111111100010100100
321101200022210
432333202210
52001232101
6220123420
745256350
oct16774244
97350283
103930276
112244969
121396570
13a77c0c
14744460
155297d6
hex3bf8a4

3930276 has 48 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 1105440.

The previous prime is 3930271. The next prime is 3930293. The reversal of 3930276 is 6720393.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3930271) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5635 + ... + 6293.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

Almost surely, 23930276 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 3930276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322240).

3930276 is an abundant number, since it is smaller than the sum of its proper divisors (6714204).

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

3930276 is a wasteful number, since it uses less digits than its factorization.

3930276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 3930276 is about 1982.4923707293. The cubic root of 3930276 is about 157.8123607031.

The spelling of 3930276 in words is "three million, nine hundred thirty thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 71 84 142 213 284 426 497 659 852 994 1318 1491 1977 1988 2636 2982 3954 4613 5964 7908 9226 13839 18452 27678 46789 55356 93578 140367 187156 280734 327523 561468 655046 982569 1310092 1965138 3930276