Search a number
-
+
2270280021 = 32332902609
BaseRepresentation
bin1000011101010001…
…1011100101010101
312212012221011201020
42013110123211111
514122142430041
61013135551353
7110155030122
oct20724334525
95765834636
102270280021
11a65571a89
1253438b559
132a246a779
14177733749
15d44a0866
hex8751b955

2270280021 has 8 divisors (see below), whose sum is σ = 3158650560. Its totient is φ = 1447714752.

The previous prime is 2270279989. The next prime is 2270280041. The reversal of 2270280021 is 1200820722.

It is a happy number.

2270280021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2270280021 - 25 = 2270279989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2270279973 and 2270280000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270280041) 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, 16451236 + ... + 16451373.

It is an arithmetic number, because the mean of its divisors is an integer number (394831320).

Almost surely, 22270280021 is an apocalyptic number.

It is an amenable number.

2270280021 is a deficient number, since it is larger than the sum of its proper divisors (888370539).

2270280021 is a wasteful number, since it uses less digits than its factorization.

2270280021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32902635.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2270280021 is about 47647.4555564093. The cubic root of 2270280021 is about 1314.2958676881.

The spelling of 2270280021 in words is "two billion, two hundred seventy million, two hundred eighty thousand, twenty-one".

Divisors: 1 3 23 69 32902609 98707827 756760007 2270280021