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2630401 = 10912411
BaseRepresentation
bin1010000010001100000001
311221122020021
422002030001
51133133101
6132213441
731233544
oct12021401
94848207
102630401
111537294
12a6a281
13711367
144c685b
1536e5a1
hex282301

2630401 has 4 divisors (see below), whose sum is σ = 2633904. Its totient is φ = 2626900.

The previous prime is 2630399. The next prime is 2630423. The reversal of 2630401 is 1040362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2630401 - 21 = 2630399 is a prime.

It is a Duffinian number.

2630401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2630431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115 + ... + 2296.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

22630401 is an apocalyptic number.

It is an amenable number.

2630401 is a deficient number, since it is larger than the sum of its proper divisors (3503).

2630401 is a wasteful number, since it uses less digits than its factorization.

2630401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2630401 is about 1621.8511029068. The cubic root of 2630401 is about 138.0407532093.

Adding to 2630401 its reverse (1040362), we get a palindrome (3670763).

The spelling of 2630401 in words is "two million, six hundred thirty thousand, four hundred one".

Divisors: 1 1091 2411 2630401