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20614121 = 1116311497
BaseRepresentation
bin100111010100…
…0101111101001
31102210022020222
41032220233221
520234122441
62013455425
7340134323
oct116505751
942708228
1020614121
11106aa770
126aa1575
134369b08
142a48613
151c22d4b
hex13a8be9

20614121 has 8 divisors (see below), whose sum is σ = 22628064. Its totient is φ = 18623520.

The previous prime is 20614093. The next prime is 20614127. The reversal of 20614121 is 12141602.

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

It is a cyclic number.

It is not a de Polignac number, because 20614121 - 210 = 20613097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20614121.

It is not an unprimeable number, because it can be changed into a prime (20614127) 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, 3956 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (2828508).

Almost surely, 220614121 is an apocalyptic number.

It is an amenable number.

20614121 is a deficient number, since it is larger than the sum of its proper divisors (2013943).

20614121 is a wasteful number, since it uses less digits than its factorization.

20614121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20614121 is about 4540.2776346827. The cubic root of 20614121 is about 274.1921015976.

Adding to 20614121 its reverse (12141602), we get a palindrome (32755723).

It can be divided in two parts, 2061 and 4121, that multiplied together give a triangular number (8493381 = T4121).

The spelling of 20614121 in words is "twenty million, six hundred fourteen thousand, one hundred twenty-one".

Divisors: 1 11 163 1793 11497 126467 1874011 20614121