Search a number
-
+
42537900 = 22352141793
BaseRepresentation
bin1010001001000…
…1001110101100
32222001011000210
42202101032230
541342203100
64115422420
71024365126
oct242211654
988034023
1042537900
1122014399
12122b4a10
138a74a72
145914216
153b03c50
hex28913ac

42537900 has 36 divisors (see below), whose sum is σ = 123077192. Its totient is φ = 11343360.

The previous prime is 42537899. The next prime is 42537917. The reversal of 42537900 is 973524.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 11 ways as a sum of consecutive naturals, for example, 70597 + ... + 71196.

Almost surely, 242537900 is an apocalyptic number.

It is an amenable number.

42537900 is an abundant number, since it is smaller than the sum of its proper divisors (80539292).

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

42537900 is a wasteful number, since it uses less digits than its factorization.

42537900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141810 (or 141803 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 42537900 is about 6522.1085547544. The cubic root of 42537900 is about 349.0803065307.

The spelling of 42537900 in words is "forty-two million, five hundred thirty-seven thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 141793 283586 425379 567172 708965 850758 1417930 1701516 2126895 2835860 3544825 4253790 7089650 8507580 10634475 14179300 21268950 42537900