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2104010454 = 237132461643
BaseRepresentation
bin111110101101000…
…1010011011010110
312102122001210202010
41331122022123112
513302111313304
6544440125050
7103065536160
oct17532123326
95378053663
102104010454
1198a728217
124a8766786
13276b93400
1415d611930
15c4aaa789
hex7d68a6d6

2104010454 has 96 divisors (see below), whose sum is σ = 5226971904. Its totient is φ = 552839040.

The previous prime is 2104010431. The next prime is 2104010473. The reversal of 2104010454 is 4540104012.

It is a happy number.

It is a super-2 number, since 2×21040104542 = 8853719981082572232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104010454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3271857 + ... + 3272499.

It is an arithmetic number, because the mean of its divisors is an integer number (54447624).

Almost surely, 22104010454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2104010454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2613485952).

2104010454 is an abundant number, since it is smaller than the sum of its proper divisors (3122961450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104010454 is a wasteful number, since it uses less digits than its factorization.

2104010454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2104010454 is about 45869.4937185925. The cubic root of 2104010454 is about 1281.3938376879.

Adding to 2104010454 its reverse (4540104012), we get a palindrome (6644114466).

The spelling of 2104010454 in words is "two billion, one hundred four million, ten thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 169 182 273 338 461 507 546 643 922 1014 1183 1286 1383 1929 2366 2766 3227 3549 3858 4501 5993 6454 7098 8359 9002 9681 11986 13503 16718 17979 19362 25077 27006 35958 41951 50154 58513 77909 83902 108667 117026 125853 155818 175539 217334 233727 251706 296423 326001 351078 467454 545363 592846 652002 760669 889269 1090726 1521338 1636089 1778538 2074961 2282007 3272178 3853499 4149922 4564014 6224883 7706998 11560497 12449766 23120994 26974493 50095487 53948986 80923479 100190974 150286461 161846958 300572922 350668409 701336818 1052005227 2104010454