Search a number
-
+
20739662 = 241924749
BaseRepresentation
bin100111100011…
…1011001001110
31110000200110122
41033013121032
520302132122
62020304542
7341166326
oct117073116
943020418
1020739662
1110786019
126b42152
1343b1cb8
142a7c286
151c4a142
hex13c764e

20739662 has 8 divisors (see below), whose sum is σ = 31185000. Its totient is φ = 10344664.

The previous prime is 20739661. The next prime is 20739671. The reversal of 20739662 is 26693702.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20739661) 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, 11537 + ... + 13212.

It is an arithmetic number, because the mean of its divisors is an integer number (3898125).

Almost surely, 220739662 is an apocalyptic number.

20739662 is a deficient number, since it is larger than the sum of its proper divisors (10445338).

20739662 is a wasteful number, since it uses less digits than its factorization.

20739662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25170.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 20739662 is about 4554.0819052801. The cubic root of 20739662 is about 274.7475898826.

The spelling of 20739662 in words is "twenty million, seven hundred thirty-nine thousand, six hundred sixty-two".

Divisors: 1 2 419 838 24749 49498 10369831 20739662