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20614941 = 3210721407
BaseRepresentation
bin100111010100…
…0111100011101
31102210100101100
41032220330131
520234134231
62013503313
7340136604
oct116507435
942710340
1020614941
1110700346
126aa1b39
13436a2b9
142a48a3b
151c231e6
hex13a8f1d

20614941 has 12 divisors (see below), whose sum is σ = 30056832. Its totient is φ = 13614216.

The previous prime is 20614927. The next prime is 20614949. The reversal of 20614941 is 14941602.

20614941 is a `hidden beast` number, since 2 + 0 + 614 + 9 + 41 = 666.

It is not a de Polignac number, because 20614941 - 213 = 20606749 is a prime.

It is a super-3 number, since 3×206149413 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20614949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9741 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (2504736).

Almost surely, 220614941 is an apocalyptic number.

It is an amenable number.

20614941 is a deficient number, since it is larger than the sum of its proper divisors (9441891).

20614941 is a wasteful number, since it uses less digits than its factorization.

20614941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21520 (or 21517 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20614941 is about 4540.3679366324. The cubic root of 20614941 is about 274.1957372048.

The spelling of 20614941 in words is "twenty million, six hundred fourteen thousand, nine hundred forty-one".

Divisors: 1 3 9 107 321 963 21407 64221 192663 2290549 6871647 20614941