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42069272 = 237751237
BaseRepresentation
bin1010000001111…
…0110100011000
32221011100012012
42200132310120
541232204042
64101405052
71020403640
oct240366430
987140165
1042069272
11218242a3
1212109788
13893c67b
145831520
153a5ee82
hex281ed18

42069272 has 16 divisors (see below), whose sum is σ = 90148560. Its totient is φ = 18029664.

The previous prime is 42069257. The next prime is 42069283. The reversal of 42069272 is 27296024.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 375563 + ... + 375674.

It is an arithmetic number, because the mean of its divisors is an integer number (5634285).

Almost surely, 242069272 is an apocalyptic number.

It is an amenable number.

42069272 is an abundant number, since it is smaller than the sum of its proper divisors (48079288).

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

42069272 is a wasteful number, since it uses less digits than its factorization.

42069272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751250 (or 751246 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42069272 is about 6486.0829473574. The cubic root of 42069272 is about 347.7936637404.

The spelling of 42069272 in words is "forty-two million, sixty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 751237 1502474 3004948 5258659 6009896 10517318 21034636 42069272