Search a number
-
+
2620229 = 23373079
BaseRepresentation
bin1001111111101101000101
311221010021112
421333231011
51132321404
6132054405
731162103
oct11775505
94833245
102620229
11152a687
12a64405
13709841
144c2c73
1536b56e
hex27fb45

2620229 has 8 divisors (see below), whose sum is σ = 2808960. Its totient is φ = 2437776.

The previous prime is 2620223. The next prime is 2620231. The reversal of 2620229 is 9220262.

It is a happy number.

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 2620229 - 28 = 2619973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620223) 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, 689 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

22620229 is an apocalyptic number.

It is an amenable number.

2620229 is a deficient number, since it is larger than the sum of its proper divisors (188731).

2620229 is a wasteful number, since it uses less digits than its factorization.

2620229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2620229 is about 1618.7121424145. The cubic root of 2620229 is about 137.8625846293.

The spelling of 2620229 in words is "two million, six hundred twenty thousand, two hundred twenty-nine".

Divisors: 1 23 37 851 3079 70817 113923 2620229