Search a number
-
+
20036548 = 2276111731
BaseRepresentation
bin100110001101…
…1101111000100
31101200221222101
41030123233010
520112132143
61553241444
7332210410
oct114335704
941627871
1020036548
1110345834
126863284
1341c6c5c
142937d40
151b5bb4d
hex131bbc4

20036548 has 24 divisors (see below), whose sum is σ = 40733504. Its totient is φ = 8445600.

The previous prime is 20036531. The next prime is 20036561. The reversal of 20036548 is 84563002.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4158 + ... + 7573.

Almost surely, 220036548 is an apocalyptic number.

20036548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20036548 is an abundant number, since it is smaller than the sum of its proper divisors (20696956).

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

20036548 is a wasteful number, since it uses less digits than its factorization.

20036548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803 (or 11801 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20036548 is about 4476.2202805492. The cubic root of 20036548 is about 271.6070052700.

The spelling of 20036548 in words is "twenty million, thirty-six thousand, five hundred forty-eight".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 11731 23462 46924 82117 164234 328468 715591 1431182 2862364 5009137 10018274 20036548