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1302229940 = 2251147125941
BaseRepresentation
bin100110110011110…
…0111001110110100
310100202101010122112
41031213213032310
510131332324230
6333115150152
744161525514
oct11547471664
93322333575
101302229940
116090906a0
12304145358
13179a38c7b
14c4d41844
15794d0d95
hex4d9e73b4

1302229940 has 48 divisors (see below), whose sum is σ = 3046788864. Its totient is φ = 463459200.

The previous prime is 1302229921. The next prime is 1302230009. The reversal of 1302229940 is 499222031.

It is a junction number, because it is equal to n+sod(n) for n = 1302229897 and 1302229906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52631 + ... + 73310.

It is an arithmetic number, because the mean of its divisors is an integer number (63474768).

Almost surely, 21302229940 is an apocalyptic number.

1302229940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302229940 is an abundant number, since it is smaller than the sum of its proper divisors (1744558924).

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

1302229940 is a wasteful number, since it uses less digits than its factorization.

1302229940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126008 (or 126006 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1302229940 is about 36086.4232087360. The cubic root of 1302229940 is about 1092.0165626527.

The spelling of 1302229940 in words is "one billion, three hundred two million, two hundred twenty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 47 55 94 110 188 220 235 470 517 940 1034 2068 2585 5170 10340 125941 251882 503764 629705 1259410 1385351 2518820 2770702 5541404 5919227 6926755 11838454 13853510 23676908 27707020 29596135 59192270 65111497 118384540 130222994 260445988 325557485 651114970 1302229940