Search a number
-
+
42929952 = 2531341839
BaseRepresentation
bin1010001111000…
…0111100100000
32222210001211020
42203300330200
541442224302
64132045440
71030620132
oct243607440
988701736
1042929952
11222619aa
1212463880
138b81350
1459b7052
153b7eebc
hex28f0f20

42929952 has 96 divisors (see below), whose sum is σ = 124467840. Its totient is φ = 12871680.

The previous prime is 42929933. The next prime is 42929963. The reversal of 42929952 is 25992924.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 50749 + ... + 51587.

It is an arithmetic number, because the mean of its divisors is an integer number (1296540).

Almost surely, 242929952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42929952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62233920).

42929952 is an abundant number, since it is smaller than the sum of its proper divisors (81537888).

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

42929952 is a wasteful number, since it uses less digits than its factorization.

42929952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 898 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 42929952 is about 6552.0952374031. The cubic root of 42929952 is about 350.1494654143.

It can be divided in two parts, 429 and 29952, that added together give a triangular number (30381 = T246).

The spelling of 42929952 in words is "forty-two million, nine hundred twenty-nine thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 41 48 52 78 82 96 104 123 156 164 208 246 312 328 416 492 533 624 656 839 984 1066 1248 1312 1599 1678 1968 2132 2517 3198 3356 3936 4264 5034 6396 6712 8528 10068 10907 12792 13424 17056 20136 21814 25584 26848 32721 34399 40272 43628 51168 65442 68798 80544 87256 103197 130884 137596 174512 206394 261768 275192 349024 412788 447187 523536 550384 825576 894374 1047072 1100768 1341561 1651152 1788748 2683122 3302304 3577496 5366244 7154992 10732488 14309984 21464976 42929952