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1530939996 = 223242526111
BaseRepresentation
bin101101101000000…
…0100101001011100
310221200201210212100
41123100010221130
511113410034441
6411525205100
752636526625
oct13320045134
93850653770
101530939996
117161a2973
12368860790
131b5236071
14107478a4c
158e60bcb6
hex5b404a5c

1530939996 has 18 divisors (see below), whose sum is σ = 3869876192. Its totient is φ = 510313320.

The previous prime is 1530939967. The next prime is 1530940003. The reversal of 1530939996 is 6999390351.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21263020 + ... + 21263091.

Almost surely, 21530939996 is an apocalyptic number.

It is an amenable number.

1530939996 is an abundant number, since it is smaller than the sum of its proper divisors (2338936196).

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

1530939996 is a wasteful number, since it uses less digits than its factorization.

1530939996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42526121 (or 42526116 counting only the distinct ones).

The product of its (nonzero) digits is 1771470, while the sum is 54.

The square root of 1530939996 is about 39127.2283199309. The cubic root of 1530939996 is about 1152.5312852511.

The spelling of 1530939996 in words is "one billion, five hundred thirty million, nine hundred thirty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 42526111 85052222 127578333 170104444 255156666 382734999 510313332 765469998 1530939996