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42620112 = 2432295973
BaseRepresentation
bin1010001010010…
…1010011010000
32222012022210200
42202211103100
541402320422
64121255200
71025156613
oct242452320
988168720
1042620112
1122070137
1212334500
138aa3302
14593617a
153b1d2ac
hex28a54d0

42620112 has 30 divisors (see below), whose sum is σ = 119277522. Its totient is φ = 14206656.

The previous prime is 42620087. The next prime is 42620129. The reversal of 42620112 is 21102624.

42620112 is a `hidden beast` number, since 42 + 620 + 1 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42302016 + 318096 = 6504^2 + 564^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147843 + ... + 148130.

Almost surely, 242620112 is an apocalyptic number.

It is an amenable number.

42620112 is an abundant number, since it is smaller than the sum of its proper divisors (76657410).

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

42620112 is a wasteful number, since it uses less digits than its factorization.

42620112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295987 (or 295978 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42620112 is about 6528.4080754806. The cubic root of 42620112 is about 349.3050482443.

Adding to 42620112 its reverse (21102624), we get a palindrome (63722736).

The spelling of 42620112 in words is "forty-two million, six hundred twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 295973 591946 887919 1183892 1775838 2367784 2663757 3551676 4735568 5327514 7103352 10655028 14206704 21310056 42620112