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1242002304 = 27321078127
BaseRepresentation
bin100101000000111…
…0111001110000000
310012120001020212100
41022001313032000
510020423033204
6323124230400
742530562654
oct11201671600
93176036770
101242002304
11588094794
122a7b3b400
1316a40c50a
14bad44a64
1574085a39
hex4a077380

1242002304 has 48 divisors (see below), whose sum is σ = 3573994320. Its totient is φ = 414000384.

The previous prime is 1242002263. The next prime is 1242002341. The reversal of 1242002304 is 4032002421.

1242002304 is a `hidden beast` number, since 12 + 420 + 0 + 230 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537912 + ... + 540215.

It is an arithmetic number, because the mean of its divisors is an integer number (74458215).

Almost surely, 21242002304 is an apocalyptic number.

It is an amenable number.

1242002304 is an abundant number, since it is smaller than the sum of its proper divisors (2331992016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242002304 is a wasteful number, since it uses less digits than its factorization.

1242002304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078147 (or 1078132 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1242002304 is about 35242.0530616478. The cubic root of 1242002304 is about 1074.9150259857.

Adding to 1242002304 its reverse (4032002421), we get a palindrome (5274004725).

The spelling of 1242002304 in words is "one billion, two hundred forty-two million, two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 1078127 2156254 3234381 4312508 6468762 8625016 9703143 12937524 17250032 19406286 25875048 34500064 38812572 51750096 69000128 77625144 103500192 138000256 155250288 207000384 310500576 414000768 621001152 1242002304