Search a number
-
+
42928533 = 325997963
BaseRepresentation
bin1010001111000…
…0100110010101
32222202222212200
42203300212111
541442203113
64132035113
71030613034
oct243604625
988688780
1042928533
112226092a
1212462a99
138b807cb
1459b671b
153b7e873
hex28f0995

42928533 has 12 divisors (see below), whose sum is σ = 62119200. Its totient is φ = 28567656.

The previous prime is 42928499. The next prime is 42928541. The reversal of 42928533 is 33582924.

It is not a de Polignac number, because 42928533 - 26 = 42928469 is a prime.

It is a super-3 number, since 3×429285333 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42928573) 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, 1410 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (5176600).

Almost surely, 242928533 is an apocalyptic number.

It is an amenable number.

42928533 is a deficient number, since it is larger than the sum of its proper divisors (19190667).

42928533 is a wasteful number, since it uses less digits than its factorization.

42928533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568 (or 8565 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 42928533 is about 6551.9869505365. The cubic root of 42928533 is about 350.1456074430.

The spelling of 42928533 in words is "forty-two million, nine hundred twenty-eight thousand, five hundred thirty-three".

Divisors: 1 3 9 599 1797 5391 7963 23889 71667 4769837 14309511 42928533