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42162004 = 2222814621
BaseRepresentation
bin1010000011010…
…1011101010100
32221100001101201
42200311131110
541243141004
64103402244
71021241203
oct240653524
987301351
1042162004
1121887a35
1212153384
138972941
14585723a
153a7c6a4
hex2835754

42162004 has 12 divisors (see below), whose sum is σ = 73831828. Its totient is φ = 21067200.

The previous prime is 42161983. The next prime is 42162019. The reversal of 42162004 is 40026124.

It can be written as a sum of positive squares in 2 ways, for example, as 20520900 + 21641104 = 4530^2 + 4652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814 + ... + 11434.

Almost surely, 242162004 is an apocalyptic number.

It is an amenable number.

42162004 is a deficient number, since it is larger than the sum of its proper divisors (31669824).

42162004 is a wasteful number, since it uses less digits than its factorization.

42162004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42162004 is about 6493.2275487619. The cubic root of 42162004 is about 348.0490198265.

Adding to 42162004 its reverse (40026124), we get a palindrome (82188128).

The spelling of 42162004 in words is "forty-two million, one hundred sixty-two thousand, four".

Divisors: 1 2 4 2281 4562 4621 9124 9242 18484 10540501 21081002 42162004