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20054454 = 237598093
BaseRepresentation
bin100110010000…
…0000110110110
31101201212112120
41030200012312
520113220304
61553500410
7332313540
oct114400666
941655476
1020054454
1110358232
126871706
134202154
142940690
151b620d9
hex13201b6

20054454 has 32 divisors (see below), whose sum is σ = 46621440. Its totient is φ = 5632032.

The previous prime is 20054431. The next prime is 20054467. The reversal of 20054454 is 45445002.

It is a super-2 number, since 2×200544542 = 804362250476232, which contains 22 as substring.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (1456920).

Almost surely, 220054454 is an apocalyptic number.

20054454 is an abundant number, since it is smaller than the sum of its proper divisors (26566986).

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

20054454 is a wasteful number, since it uses less digits than its factorization.

20054454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 20054454 is about 4478.2199588676. The cubic root of 20054454 is about 271.6878899115.

Adding to 20054454 its reverse (45445002), we get a palindrome (65499456).

The spelling of 20054454 in words is "twenty million, fifty-four thousand, four hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 2478 8093 16186 24279 48558 56651 113302 169953 339906 477487 954974 1432461 2864922 3342409 6684818 10027227 20054454