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2143000452 = 223792260549
BaseRepresentation
bin111111110111011…
…1001011110000100
312112100102200222010
41333232321132010
513342102003302
6552351534220
7104051126505
oct17756713604
95470380863
102143000452
119aa738a5a
124b982a370
13281c95308
14164880bac
15c820d16c
hex7fbb9784

2143000452 has 24 divisors (see below), whose sum is σ = 5063632000. Its totient is φ = 705290976.

The previous prime is 2143000429. The next prime is 2143000469. The reversal of 2143000452 is 2540003412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129327 + ... + 1131222.

Almost surely, 22143000452 is an apocalyptic number.

It is an amenable number.

2143000452 is an abundant number, since it is smaller than the sum of its proper divisors (2920631548).

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

2143000452 is a wasteful number, since it uses less digits than its factorization.

2143000452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260635 (or 2260633 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2143000452 is about 46292.5528784058. The cubic root of 2143000452 is about 1289.2607289957.

Adding to 2143000452 its reverse (2540003412), we get a palindrome (4683003864).

The spelling of 2143000452 in words is "two billion, one hundred forty-three million, four hundred fifty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 2260549 4521098 6781647 9042196 13563294 27126588 178583371 357166742 535750113 714333484 1071500226 2143000452