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1002004401 = 3334001467
BaseRepresentation
bin111011101110010…
…101111110110001
32120211110002122010
4323232111332301
54023003120101
6243232233133
733554616426
oct7356257661
92524402563
101002004401
11474672812
1223b69b7a9
1312c78c618
149710dd4d
155ce7a2d6
hex3bb95fb1

1002004401 has 4 divisors (see below), whose sum is σ = 1336005872. Its totient is φ = 668002932.

The previous prime is 1002004397. The next prime is 1002004417. The reversal of 1002004401 is 1044002001.

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.

It is not a de Polignac number, because 1002004401 - 22 = 1002004397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002004481) 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, 167000731 + ... + 167000736.

It is an arithmetic number, because the mean of its divisors is an integer number (334001468).

Almost surely, 21002004401 is an apocalyptic number.

It is an amenable number.

1002004401 is a deficient number, since it is larger than the sum of its proper divisors (334001471).

1002004401 is an equidigital number, since it uses as much as digits as its factorization.

1002004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334001470.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1002004401 is about 31654.4530990507. The cubic root of 1002004401 is about 1000.6676877605.

Adding to 1002004401 its reverse (1044002001), we get a palindrome (2046006402).

The spelling of 1002004401 in words is "one billion, two million, four thousand, four hundred one".

Divisors: 1 3 334001467 1002004401