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20001448 = 233180651
BaseRepresentation
bin100110001001…
…1001010101000
31101122011211101
41030103022220
520110021243
61552411144
7332003155
oct114231250
941564741
1020001448
1110321425
126846ab4
1341b3c9c
14292922c
151b5154d
hex13132a8

20001448 has 16 divisors (see below), whose sum is σ = 38712960. Its totient is φ = 9678000.

The previous prime is 20001439. The next prime is 20001451. The reversal of 20001448 is 84410002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40078 + ... + 40573.

It is an arithmetic number, because the mean of its divisors is an integer number (2419560).

Almost surely, 220001448 is an apocalyptic number.

It is an amenable number.

20001448 is a deficient number, since it is larger than the sum of its proper divisors (18711512).

20001448 is a wasteful number, since it uses less digits than its factorization.

20001448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80688 (or 80684 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 20001448 is about 4472.2978433910. The cubic root of 20001448 is about 271.4483122959.

It can be divided in two parts, 20001 and 448, that added together give a square (20449 = 1432).

The spelling of 20001448 in words is "twenty million, one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 31 62 124 248 80651 161302 322604 645208 2500181 5000362 10000724 20001448