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2630412 = 2232312357
BaseRepresentation
bin1010000010001100001100
311221122020200
422002030030
51133133122
6132213500
731233561
oct12021414
94848220
102630412
1115372a4
12a6a290
13711375
144c6868
1536e5ac
hex28230c

2630412 has 36 divisors (see below), whose sum is σ = 6866496. Its totient is φ = 848160.

The previous prime is 2630399. The next prime is 2630423. The reversal of 2630412 is 2140362.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (190736).

22630412 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 2630412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433248).

2630412 is an abundant number, since it is smaller than the sum of its proper divisors (4236084).

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

2630412 is a wasteful number, since it uses less digits than its factorization.

2630412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2630412 is about 1621.8544940900. The cubic root of 2630412 is about 138.0409456319.

Adding to 2630412 its reverse (2140362), we get a palindrome (4770774).

The spelling of 2630412 in words is "two million, six hundred thirty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 2357 4714 7071 9428 14142 21213 28284 42426 73067 84852 146134 219201 292268 438402 657603 876804 1315206 2630412