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62121 = 320707
BaseRepresentation
bin1111001010101001
310011012210
433022221
53441441
61155333
7346053
oct171251
9104183
1062121
1142744
122bb49
1322377
14188d3
1513616
hexf2a9

62121 has 4 divisors (see below), whose sum is σ = 82832. Its totient is φ = 41412.

The previous prime is 62119. The next prime is 62129. The reversal of 62121 is 12126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 62121 - 21 = 62119 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 62097 and 62106.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 62121.

It is not an unprimeable number, because it can be changed into a prime (62129) 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, 10351 + ... + 10356.

It is an arithmetic number, because the mean of its divisors is an integer number (20708).

262121 is an apocalyptic number.

It is an amenable number.

62121 is a deficient number, since it is larger than the sum of its proper divisors (20711).

62121 is a wasteful number, since it uses less digits than its factorization.

62121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710.

The product of its digits is 24, while the sum is 12.

The square root of 62121 is about 249.2408473746. The cubic root of 62121 is about 39.6046469396.

Adding to 62121 its reverse (12126), we get a palindrome (74247).

It can be divided in two parts, 621 and 21, that multiplied together give a triangular number (13041 = T161).

The spelling of 62121 in words is "sixty-two thousand, one hundred twenty-one".

Divisors: 1 3 20707 62121