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4013380 = 2257109263
BaseRepresentation
bin1111010011110101000100
321112220022201
433103311010
52011412010
6222004244
746053550
oct17236504
97486281
104013380
1122a1348
121416684
13aa69a7
14766860
1554423a
hex3d3d44

4013380 has 48 divisors (see below), whose sum is σ = 9757440. Its totient is φ = 1358208.

The previous prime is 4013369. The next prime is 4013407. The reversal of 4013380 is 833104.

4013380 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40133802 = 32214438048800, which contains 22 as substring.

4013380 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15129 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

Almost surely, 24013380 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 4013380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4878720).

4013380 is an abundant number, since it is smaller than the sum of its proper divisors (5744060).

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

4013380 is a wasteful number, since it uses less digits than its factorization.

4013380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4013380 is about 2003.3422074124. The cubic root of 4013380 is about 158.9169034304.

Adding to 4013380 its reverse (833104), we get a palindrome (4846484).

The spelling of 4013380 in words is "four million, thirteen thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 109 140 218 263 436 526 545 763 1052 1090 1315 1526 1841 2180 2630 3052 3682 3815 5260 7364 7630 9205 15260 18410 28667 36820 57334 114668 143335 200669 286670 401338 573340 802676 1003345 2006690 4013380