Search a number
-
+
42212110 = 25192947163
BaseRepresentation
bin1010000100000…
…1101100001110
32221102121010111
42201001230032
541301241420
64104430234
71021540243
oct241015416
987377114
1042212110
1121911646
121217837a
13898c6a5
14586b5ca
153a8c45a
hex2841b0e

42212110 has 64 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 15023232.

The previous prime is 42212047. The next prime is 42212113. The reversal of 42212110 is 1121224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42212113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258889 + ... + 259051.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 242212110 is an apocalyptic number.

42212110 is an abundant number, since it is smaller than the sum of its proper divisors (42805490).

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

42212110 is a wasteful number, since it uses less digits than its factorization.

42212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 42212110 is about 6497.0847308620. The cubic root of 42212110 is about 348.1868409189.

Adding to 42212110 its reverse (1121224), we get a palindrome (43333334).

It can be divided in two parts, 4221 and 2110, that multiplied together give a triangular number (8906310 = T4220).

The spelling of 42212110 in words is "forty-two million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 19 29 38 47 58 94 95 145 163 190 235 290 326 470 551 815 893 1102 1363 1630 1786 2726 2755 3097 4465 4727 5510 6194 6815 7661 8930 9454 13630 15322 15485 23635 25897 30970 38305 47270 51794 76610 89813 129485 145559 179626 222169 258970 291118 444338 449065 727795 898130 1110845 1455590 2221690 4221211 8442422 21106055 42212110