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20062501 = 136114741
BaseRepresentation
bin100110010001…
…0000100100101
31101202021120121
41030202010211
520114000001
61554001541
7332346154
oct114420445
941667517
1020062501
1110363288
1268762b1
134205a04
14294359b
151b646a1
hex1322125

20062501 has 4 divisors (see below), whose sum is σ = 20078604. Its totient is φ = 20046400.

The previous prime is 20062481. The next prime is 20062507. The reversal of 20062501 is 10526002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 7452900 = 3551^2 + 2730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20062501 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 (20062507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6010 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (5019651).

Almost surely, 220062501 is an apocalyptic number.

It is an amenable number.

20062501 is a deficient number, since it is larger than the sum of its proper divisors (16103).

20062501 is a wasteful number, since it uses less digits than its factorization.

20062501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20062501 is about 4479.1183284213. The cubic root of 20062501 is about 271.7242239863.

Adding to 20062501 its reverse (10526002), we get a palindrome (30588503).

The spelling of 20062501 in words is "twenty million, sixty-two thousand, five hundred one".

Divisors: 1 1361 14741 20062501