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1304747292 = 223108728941
BaseRepresentation
bin100110111000100…
…1101110100011100
310100221010000210210
41031301031310130
510133003403132
6333245132420
744222111652
oct11561156434
93327100723
101304747292
1160a54aa52
12304b5a110
1317a40aa24
14c53d8dd2
157982bbcc
hex4dc4dd1c

1304747292 has 12 divisors (see below), whose sum is σ = 3044410376. Its totient is φ = 434915760.

The previous prime is 1304747273. The next prime is 1304747341. The reversal of 1304747292 is 2927474031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1304747292.

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, 54364459 + ... + 54364482.

Almost surely, 21304747292 is an apocalyptic number.

1304747292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304747292 is an abundant number, since it is smaller than the sum of its proper divisors (1739663084).

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

1304747292 is a wasteful number, since it uses less digits than its factorization.

1304747292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108728948 (or 108728946 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1304747292 is about 36121.2858575107. The cubic root of 1304747292 is about 1092.7197719524.

The spelling of 1304747292 in words is "one billion, three hundred four million, seven hundred forty-seven thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 108728941 217457882 326186823 434915764 652373646 1304747292