Search a number
-
+
3020629 = 5356993
BaseRepresentation
bin1011100001011101010101
312200110112011
423201131111
51233130004
6144424221
734450333
oct13413525
95613464
103020629
111783497
121018071
13819b71
14588b53
153ea004
hex2e1755

3020629 has 4 divisors (see below), whose sum is σ = 3077676. Its totient is φ = 2963584.

The previous prime is 3020617. The next prime is 3020651. The reversal of 3020629 is 9260203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2331729 + 688900 = 1527^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020629 - 29 = 3020117 is a prime.

It is a Duffinian number.

3020629 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020929) 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, 28444 + ... + 28549.

It is an arithmetic number, because the mean of its divisors is an integer number (769419).

Almost surely, 23020629 is an apocalyptic number.

It is an amenable number.

3020629 is a deficient number, since it is larger than the sum of its proper divisors (57047).

3020629 is an equidigital number, since it uses as much as digits as its factorization.

3020629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57046.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3020629 is about 1737.9956846897. The cubic root of 3020629 is about 144.5547818135.

The spelling of 3020629 in words is "three million, twenty thousand, six hundred twenty-nine".

Divisors: 1 53 56993 3020629