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2042002 = 21021001
BaseRepresentation
bin111110010100010010010
310211202002201
413302202102
51010321002
6111433414
723233234
oct7624222
93752081
102042002
111175206
1282586a
135665b1
143b2254
152a5087
hex1f2892

2042002 has 4 divisors (see below), whose sum is σ = 3063006. Its totient is φ = 1021000.

The previous prime is 2041997. The next prime is 2042017. The reversal of 2042002 is 2002402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 670761 = 1171^2 + 819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2042002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510499 + ... + 510502.

22042002 is an apocalyptic number.

2042002 is a deficient number, since it is larger than the sum of its proper divisors (1021004).

2042002 is a wasteful number, since it uses less digits than its factorization.

2042002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021003.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2042002 is about 1428.9863540286. The cubic root of 2042002 is about 126.8679885632.

Adding to 2042002 its reverse (2002402), we get a palindrome (4044404).

The spelling of 2042002 in words is "two million, forty-two thousand, two", and thus it is an eban number.

Divisors: 1 2 1021001 2042002