Search a number
-
+
42761872 = 242672617
BaseRepresentation
bin1010001100011…
…1111010010000
32222110112021001
42203013322100
541421334442
64124311344
71026320116
oct243077220
988415231
1042761872
112215769a
12123a2554
138b229aa
145971ab6
153b4a2b7
hex28c7e90

42761872 has 10 divisors (see below), whose sum is σ = 82851158. Its totient is φ = 21380928.

The previous prime is 42761861. The next prime is 42761881. The reversal of 42761872 is 27816724.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 2768896 = 6324^2 + 1664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336293 + ... + 1336324.

Almost surely, 242761872 is an apocalyptic number.

It is an amenable number.

42761872 is a deficient number, since it is larger than the sum of its proper divisors (40089286).

42761872 is a wasteful number, since it uses less digits than its factorization.

42761872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672625 (or 2672619 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 42761872 is about 6539.2562268197. The cubic root of 42761872 is about 349.6918975668.

The spelling of 42761872 in words is "forty-two million, seven hundred sixty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 2672617 5345234 10690468 21380936 42761872