Search a number
3205555401 = 31068518467
BaseRepresentation
bin1011111100010000…
…1110010011001001
322021101211002100010
42333010032103021
523031110233101
61250030102133
7142302525366
oct27704162311
98241732303
103205555401
1113a54a8244
1275564a949
133c1165359
14225a3346d
1513b6492d6
hexbf10e4c9

3205555401 has 4 divisors (see below), whose sum is σ = 4274073872. Its totient is φ = 2137036932.

The previous prime is 3205555361. The next prime is 3205555427. The reversal of 3205555401 is 1045555023.

It is a happy number.

3205555401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3205555401 - 26 = 3205555337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3205555501) 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, 534259231 + ... + 534259236.

It is an arithmetic number, because the mean of its divisors is an integer number (1068518468).

Almost surely, 23205555401 is an apocalyptic number.

It is an amenable number.

3205555401 is a deficient number, since it is larger than the sum of its proper divisors (1068518471).

3205555401 is a wasteful number, since it uses less digits than its factorization.

3205555401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068518470.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 3205555401 is about 56617.6244733034. The cubic root of 3205555401 is about 1474.4648677938.

The spelling of 3205555401 in words is "three billion, two hundred five million, five hundred fifty-five thousand, four hundred one".

Divisors: 1 3 1068518467 3205555401