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42711976 = 235338997
BaseRepresentation
bin1010001011101…
…1101110101000
32222100222211001
42202323232220
541413240401
64123244344
71026021466
oct242735650
988328731
1042711976
112212315a
12123796b4
138b06078
14595b836
153b3a601
hex28bbba8

42711976 has 8 divisors (see below), whose sum is σ = 80084970. Its totient is φ = 21355984.

The previous prime is 42711959. The next prime is 42712003. The reversal of 42711976 is 67911724.

It can be written as a sum of positive squares in only one way, i.e., 39363076 + 3348900 = 6274^2 + 1830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2669491 + ... + 2669506.

Almost surely, 242711976 is an apocalyptic number.

It is an amenable number.

42711976 is a deficient number, since it is larger than the sum of its proper divisors (37372994).

42711976 is a wasteful number, since it uses less digits than its factorization.

42711976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339003 (or 5338999 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 42711976 is about 6535.4400004896. The cubic root of 42711976 is about 349.5558338500. Note that the first 3 decimals are identical.

It can be divided in two parts, 427 and 11976, that added together give a triangular number (12403 = T157).

The spelling of 42711976 in words is "forty-two million, seven hundred eleven thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 5338997 10677994 21355988 42711976