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2401200253 = 23104400011
BaseRepresentation
bin1000111100011111…
…0110100001111101
320012100021121111201
42033013312201331
514404201402003
61034134015501
7113334602554
oct21707664175
96170247451
102401200253
111022462321
125701a7591
132c361906a
1418ac92d9b
15e0c11b1d
hex8f1f687d

2401200253 has 4 divisors (see below), whose sum is σ = 2505600288. Its totient is φ = 2296800220.

The previous prime is 2401200229. The next prime is 2401200271. The reversal of 2401200253 is 3520021042.

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 an emirpimes, since its reverse is a distinct semiprime: 3520021042 = 21760010521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2401200253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2401200253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52199983 + ... + 52200028.

It is an arithmetic number, because the mean of its divisors is an integer number (626400072).

Almost surely, 22401200253 is an apocalyptic number.

2401200253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2401200253 is a deficient number, since it is larger than the sum of its proper divisors (104400035).

2401200253 is a wasteful number, since it uses less digits than its factorization.

2401200253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104400034.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2401200253 is about 49002.0433553541. The cubic root of 2401200253 is about 1339.0890543312.

Adding to 2401200253 its reverse (3520021042), we get a palindrome (5921221295).

The spelling of 2401200253 in words is "two billion, four hundred one million, two hundred thousand, two hundred fifty-three".

Divisors: 1 23 104400011 2401200253