Search a number
-
+
2084624861 = 11189511351
BaseRepresentation
bin111110001000000…
…1101100111011101
312101021120220201012
41330100031213131
513232130443421
6542504425005
7102442006334
oct17420154735
95337526635
102084624861
1197a797570
124a2178165
13272b66847
1415ac06d1b
15c302b95b
hex7c40d9dd

2084624861 has 4 divisors (see below), whose sum is σ = 2274136224. Its totient is φ = 1895113500.

The previous prime is 2084624837. The next prime is 2084624873. The reversal of 2084624861 is 1684264802.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2084624861 is a prime.

It is a super-2 number, since 2×20846248612 = 8691321622198538642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2084624161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94755665 + ... + 94755686.

It is an arithmetic number, because the mean of its divisors is an integer number (568534056).

Almost surely, 22084624861 is an apocalyptic number.

It is an amenable number.

2084624861 is a deficient number, since it is larger than the sum of its proper divisors (189511363).

2084624861 is a wasteful number, since it uses less digits than its factorization.

2084624861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189511362.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 2084624861 is about 45657.6922434763. The cubic root of 2084624861 is about 1277.4462554254.

The spelling of 2084624861 in words is "two billion, eighty-four million, six hundred twenty-four thousand, eight hundred sixty-one".

Divisors: 1 11 189511351 2084624861