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42216002 = 2137154073
BaseRepresentation
bin1010000100001…
…0101001000010
32221102210110122
42201002221002
541301403002
64104500242
71021554503
oct241025102
987383418
1042216002
1121914564
121217a682
1389913aa
14586cbaa
153a8d6a2
hex2842a42

42216002 has 8 divisors (see below), whose sum is σ = 63786636. Its totient is φ = 20953792.

The previous prime is 42215989. The next prime is 42216007. The reversal of 42216002 is 20061224.

It can be written as a sum of positive squares in 2 ways, for example, as 37810201 + 4405801 = 6149^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42216007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76763 + ... + 77310.

Almost surely, 242216002 is an apocalyptic number.

42216002 is a deficient number, since it is larger than the sum of its proper divisors (21570634).

42216002 is a wasteful number, since it uses less digits than its factorization.

42216002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154212.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42216002 is about 6497.3842429088. The cubic root of 42216002 is about 348.1975416518.

Adding to 42216002 its reverse (20061224), we get a palindrome (62277226).

The spelling of 42216002 in words is "forty-two million, two hundred sixteen thousand, two".

Divisors: 1 2 137 274 154073 308146 21108001 42216002