Search a number
-
+
42354980 = 22517911831
BaseRepresentation
bin1010000110010…
…0100100100100
32221200212002222
42201210210210
541320324410
64111451512
71023003623
oct241444444
987625088
1042354980
11219a9a18
1212226b98
138a0c725
1458a76ba
153ab9955
hex2864924

42354980 has 24 divisors (see below), whose sum is σ = 89449920. Its totient is φ = 16845920.

The previous prime is 42354941. The next prime is 42354997. The reversal of 42354980 is 8945324.

It is a self number, because there is not a number n which added to its sum of digits gives 42354980.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (3727080).

Almost surely, 242354980 is an apocalyptic number.

It is an amenable number.

42354980 is an abundant number, since it is smaller than the sum of its proper divisors (47094940).

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

42354980 is a wasteful number, since it uses less digits than its factorization.

42354980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12019 (or 12017 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 42354980 is about 6508.0703745427. The cubic root of 42354980 is about 348.5792199216.

It can be divided in two parts, 42354 and 980, that added together give a palindrome (43334).

The spelling of 42354980 in words is "forty-two million, three hundred fifty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 11831 23662 47324 59155 118310 236620 2117749 4235498 8470996 10588745 21177490 42354980