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20048501 = 117324967
BaseRepresentation
bin100110001111…
…0101001110101
31101201120101002
41030132221311
520113023001
61553413045
7332260304
oct114365165
941646332
1020048501
1110353810
12686a185
1341cc525
14293c43b
151b6046b
hex131ea75

20048501 has 8 divisors (see below), whose sum is σ = 22171584. Its totient is φ = 17975520.

The previous prime is 20048489. The next prime is 20048503. The reversal of 20048501 is 10584002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20048501 - 26 = 20048437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11681 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (2771448).

Almost surely, 220048501 is an apocalyptic number.

It is an amenable number.

20048501 is a deficient number, since it is larger than the sum of its proper divisors (2123083).

20048501 is a wasteful number, since it uses less digits than its factorization.

20048501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25051.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 20048501 is about 4477.5552481237. Note that the first 3 decimals coincide. The cubic root of 20048501 is about 271.6610044780.

The spelling of 20048501 in words is "twenty million, forty-eight thousand, five hundred one".

Divisors: 1 11 73 803 24967 274637 1822591 20048501