Search a number
-
+
2423210391 = 337192923269
BaseRepresentation
bin1001000001101111…
…0100000110010111
320020212200211202000
42100123310012113
514430320213031
61040241450343
7114022643220
oct22033640627
96225624660
102423210391
111033925918
125776409b3
132c8054404
1418db82247
15e2b0d3e6
hex906f4197

2423210391 has 64 divisors (see below), whose sum is σ = 4467840000. Its totient is φ = 1266523776.

The previous prime is 2423210357. The next prime is 2423210407. The reversal of 2423210391 is 1930123242.

It is a happy number.

2423210391 is a `hidden beast` number, since 242 + 32 + 1 + 0 + 391 = 666.

It is a de Polignac number, because none of the positive numbers 2k-2423210391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423210341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92505 + ... + 115773.

It is an arithmetic number, because the mean of its divisors is an integer number (69810000).

Almost surely, 22423210391 is an apocalyptic number.

2423210391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2423210391 is a deficient number, since it is larger than the sum of its proper divisors (2044629609).

2423210391 is a wasteful number, since it uses less digits than its factorization.

2423210391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333 (or 23327 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2423210391 is about 49226.1149289683. The cubic root of 2423210391 is about 1343.1681166204.

The spelling of 2423210391 in words is "two billion, four hundred twenty-three million, two hundred ten thousand, three hundred ninety-one".

Divisors: 1 3 7 9 19 21 27 29 57 63 87 133 171 189 203 261 399 513 551 609 783 1197 1653 1827 3591 3857 4959 5481 11571 14877 23269 34713 69807 104139 162883 209421 442111 488649 628263 674801 1326333 1465947 2024403 3094777 3978999 4397841 4723607 6073209 9284331 11936997 12821219 14170821 18219627 27852993 38463657 42512463 83558979 89748533 115390971 127537389 269245599 346172913 807736797 2423210391