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42073152 = 2631121811
BaseRepresentation
bin1010000001111…
…1110001000000
32221011112111220
42200133301000
541232320102
64101435040
71020421152
oct240376100
987145456
1042073152
1121827200
121210ba80
138941374
145832ad2
153a611bc
hex281fc40

42073152 has 84 divisors (see below), whose sum is σ = 122425968. Its totient is φ = 12742400.

The previous prime is 42073133. The next prime is 42073153. The reversal of 42073152 is 25137024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42073153) 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, 22327 + ... + 24137.

It is an arithmetic number, because the mean of its divisors is an integer number (1457452).

Almost surely, 242073152 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 42073152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61212984).

42073152 is an abundant number, since it is smaller than the sum of its proper divisors (80352816).

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

42073152 is a wasteful number, since it uses less digits than its factorization.

42073152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42073152 is about 6486.3820424024. The cubic root of 42073152 is about 347.8043556133.

The spelling of 42073152 in words is "forty-two million, seventy-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 132 176 192 242 264 352 363 484 528 704 726 968 1056 1452 1811 1936 2112 2904 3622 3872 5433 5808 7244 7744 10866 11616 14488 19921 21732 23232 28976 39842 43464 57952 59763 79684 86928 115904 119526 159368 173856 219131 239052 318736 347712 438262 478104 637472 657393 876524 956208 1274944 1314786 1753048 1912416 2629572 3506096 3824832 5259144 7012192 10518288 14024384 21036576 42073152