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20054254 = 2111729432
BaseRepresentation
bin100110010000…
…0000011101110
31101201212021011
41030200003232
520113214004
61553455434
7332313133
oct114400356
941655234
1020054254
1110358070
12687157a
13420202c
14294058a
151b62004
hex13200ee

20054254 has 48 divisors (see below), whose sum is σ = 36799920. Its totient is φ = 8090880.

The previous prime is 20054249. The next prime is 20054267. The reversal of 20054254 is 45245002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466357 + ... + 466399.

It is an arithmetic number, because the mean of its divisors is an integer number (766665).

Almost surely, 220054254 is an apocalyptic number.

20054254 is a deficient number, since it is larger than the sum of its proper divisors (16745666).

20054254 is a wasteful number, since it uses less digits than its factorization.

20054254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 20054254 is about 4478.1976285108. The cubic root of 20054254 is about 271.6869867412.

Adding to 20054254 its reverse (45245002), we get a palindrome (65299256).

The spelling of 20054254 in words is "twenty million, fifty-four thousand, two hundred fifty-four".

Divisors: 1 2 11 17 22 29 34 43 58 86 187 319 374 473 493 638 731 946 986 1247 1462 1849 2494 3698 5423 8041 10846 13717 16082 20339 21199 27434 31433 40678 42398 53621 62866 107242 233189 345763 466378 589831 691526 911557 1179662 1823114 10027127 20054254