Search a number
-
+
20352888 = 2332282679
BaseRepresentation
bin100110110100…
…0111101111000
31102022000220200
41031220331320
520202243023
62004122200
7334665603
oct115507570
942260820
1020352888
1110541476
126996360
1342a7c3a
1429bb33a
151bc0743
hex1368f78

20352888 has 24 divisors (see below), whose sum is σ = 55122600. Its totient is φ = 6784272.

The previous prime is 20352887. The next prime is 20352919. The reversal of 20352888 is 88825302.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141268 + ... + 141411.

It is an arithmetic number, because the mean of its divisors is an integer number (2296775).

Almost surely, 220352888 is an apocalyptic number.

It is an amenable number.

20352888 is an abundant number, since it is smaller than the sum of its proper divisors (34769712).

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

20352888 is a wasteful number, since it uses less digits than its factorization.

20352888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282691 (or 282684 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 20352888 is about 4511.4175155931. The cubic root of 20352888 is about 273.0289386865.

The spelling of 20352888 in words is "twenty million, three hundred fifty-two thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 282679 565358 848037 1130716 1696074 2261432 2544111 3392148 5088222 6784296 10176444 20352888