Search a number
-
+
20713848 = 2333492473
BaseRepresentation
bin100111100000…
…1000101111000
31102222101001120
41033001011320
520300320343
62015545240
7341031141
oct117010570
942871046
1020713848
1110768691
126b2b220
1343a331c
142a72ac8
151c42683
hex13c1178

20713848 has 32 divisors (see below), whose sum is σ = 51954000. Its totient is φ = 6882048.

The previous prime is 20713829. The next prime is 20713853. The reversal of 20713848 is 84831702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7140 + ... + 9612.

Almost surely, 220713848 is an apocalyptic number.

It is an amenable number.

20713848 is an abundant number, since it is smaller than the sum of its proper divisors (31240152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20713848 is a wasteful number, since it uses less digits than its factorization.

20713848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2827 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 20713848 is about 4551.2468621247. The cubic root of 20713848 is about 274.6335526841.

The spelling of 20713848 in words is "twenty million, seven hundred thirteen thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 349 698 1047 1396 2094 2473 2792 4188 4946 7419 8376 9892 14838 19784 29676 59352 863077 1726154 2589231 3452308 5178462 6904616 10356924 20713848