Search a number
-
+
42680532 = 2233556711
BaseRepresentation
bin1010001011010…
…0000011010100
32222022101200110
42202310003110
541411234112
64122443020
71025531016
oct242640324
988271613
1042680532
1122101574
1212363470
138ac496b
1459501b6
153b3113c
hex28b40d4

42680532 has 12 divisors (see below), whose sum is σ = 99587936. Its totient is φ = 14226840.

The previous prime is 42680527. The next prime is 42680551. The reversal of 42680532 is 23508624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42680532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778344 + ... + 1778367.

Almost surely, 242680532 is an apocalyptic number.

It is an amenable number.

42680532 is an abundant number, since it is smaller than the sum of its proper divisors (56907404).

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

42680532 is a wasteful number, since it uses less digits than its factorization.

42680532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556718 (or 3556716 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42680532 is about 6533.0339047031. The cubic root of 42680532 is about 349.4700333086.

The spelling of 42680532 in words is "forty-two million, six hundred eighty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 3556711 7113422 10670133 14226844 21340266 42680532