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42020184 = 23310716363
BaseRepresentation
bin1010000001001…
…0110101011000
32221001211212010
42200102311120
541224121214
64100345520
71020110553
oct240226530
987054763
1042020184
11217a0428
12120a52a0
13892321b
14581b69a
153a50659
hex2812d58

42020184 has 32 divisors (see below), whose sum is σ = 106038720. Its totient is φ = 13874976.

The previous prime is 42020171. The next prime is 42020201. The reversal of 42020184 is 48102024.

It is a self number, because there is not a number n which added to its sum of digits gives 42020184.

It is a congruent number.

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, 5614 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (3313710).

Almost surely, 242020184 is an apocalyptic number.

It is an amenable number.

42020184 is an abundant number, since it is smaller than the sum of its proper divisors (64018536).

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

42020184 is a wasteful number, since it uses less digits than its factorization.

42020184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479 (or 16475 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 42020184 is about 6482.2977407706. The cubic root of 42020184 is about 347.6583382075.

The spelling of 42020184 in words is "forty-two million, twenty thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 107 214 321 428 642 856 1284 2568 16363 32726 49089 65452 98178 130904 196356 392712 1750841 3501682 5252523 7003364 10505046 14006728 21010092 42020184