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42893070 = 23511196841
BaseRepresentation
bin1010001110011…
…1111100001110
32222201012020020
42203213330032
541440034240
64131203010
71030404453
oct243477416
988635206
1042893070
1122237220
1212446466
138b6a61c
1459a782a
153b740d0
hex28e7f0e

42893070 has 64 divisors (see below), whose sum is σ = 118229760. Its totient is φ = 9849600.

The previous prime is 42893069. The next prime is 42893099. The reversal of 42893070 is 7039824.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2850 + ... + 9690.

It is an arithmetic number, because the mean of its divisors is an integer number (1847340).

Almost surely, 242893070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42893070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59114880).

42893070 is an abundant number, since it is smaller than the sum of its proper divisors (75336690).

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

42893070 is a wasteful number, since it uses less digits than its factorization.

42893070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42893070 is about 6549.2801131117. The cubic root of 42893070 is about 350.0491631619.

The spelling of 42893070 in words is "forty-two million, eight hundred ninety-three thousand, seventy".

Divisors: 1 2 3 5 6 10 11 15 19 22 30 33 38 55 57 66 95 110 114 165 190 209 285 330 418 570 627 1045 1254 2090 3135 6270 6841 13682 20523 34205 41046 68410 75251 102615 129979 150502 205230 225753 259958 376255 389937 451506 649895 752510 779874 1128765 1299790 1429769 1949685 2257530 2859538 3899370 4289307 7148845 8578614 14297690 21446535 42893070