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42287976 = 23321734549
BaseRepresentation
bin1010000101010…
…0001101101000
32221120110012100
42201110031220
541311203401
64110213400
71022304363
oct241241550
987513170
1042287976
1121963645
12121b4260
1389b8093
14588b0da
153aa4b86
hex2854368

42287976 has 48 divisors (see below), whose sum is σ = 121270500. Its totient is φ = 13266432.

The previous prime is 42287969. The next prime is 42287983. The reversal of 42287976 is 67978224.

It is an interprime number because it is at equal distance from previous prime (42287969) and next prime (42287983).

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 7784100 = 5874^2 + 2790^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16051 + ... + 18498.

Almost surely, 242287976 is an apocalyptic number.

It is an amenable number.

42287976 is an abundant number, since it is smaller than the sum of its proper divisors (78982524).

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

42287976 is a wasteful number, since it uses less digits than its factorization.

42287976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34578 (or 34571 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 42287976 is about 6502.9205746341. The cubic root of 42287976 is about 348.3953097958.

The spelling of 42287976 in words is "forty-two million, two hundred eighty-seven thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 34549 69098 103647 138196 207294 276392 310941 414588 587333 621882 829176 1174666 1243764 1761999 2349332 2487528 3523998 4698664 5285997 7047996 10571994 14095992 21143988 42287976