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3280030007 = 29131863393
BaseRepresentation
bin1100001110000001…
…0100100100110111
322110120221210021212
43003200110210313
523204141430012
61301250232035
7144165536462
oct30340244467
98416853255
103280030007
111433545101
1277658561b
1340370c777
1423189c2d9
15142e5ab22
hexc3814937

3280030007 has 8 divisors (see below), whose sum is σ = 3419040240. Its totient is φ = 3142746880.

The previous prime is 3280029959. The next prime is 3280030009. The reversal of 3280030007 is 7000300823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3280030007 - 218 = 3279767863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280030009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427898 + ... + 435495.

It is an arithmetic number, because the mean of its divisors is an integer number (427380030).

Almost surely, 23280030007 is an apocalyptic number.

3280030007 is a deficient number, since it is larger than the sum of its proper divisors (139010233).

3280030007 is a wasteful number, since it uses less digits than its factorization.

3280030007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863553.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3280030007 is about 57271.5462249798. The cubic root of 3280030007 is about 1485.7962991854.

The spelling of 3280030007 in words is "three billion, two hundred eighty million, thirty thousand, seven".

Divisors: 1 29 131 3799 863393 25038397 113104483 3280030007