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1420129932 = 223139103397
BaseRepresentation
bin101010010100101…
…0111011010001100
310122222020002000220
41110221113122030
510402023124212
6352530151340
750122622334
oct12451273214
93588202026
101420129932
11669698701
12337722550
131982a9090
14d68720c4
1584a1e38c
hex54a5768c

1420129932 has 24 divisors (see below), whose sum is σ = 3568532016. Its totient is φ = 436963008.

The previous prime is 1420129927. The next prime is 1420129961. The reversal of 1420129932 is 2399210241.

It is a junction number, because it is equal to n+sod(n) for n = 1420129893 and 1420129902.

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, 4551543 + ... + 4551854.

It is an arithmetic number, because the mean of its divisors is an integer number (148688834).

Almost surely, 21420129932 is an apocalyptic number.

1420129932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420129932 is an abundant number, since it is smaller than the sum of its proper divisors (2148402084).

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

1420129932 is a wasteful number, since it uses less digits than its factorization.

1420129932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103417 (or 9103415 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1420129932 is about 37684.6113420319. The cubic root of 1420129932 is about 1124.0251458177.

The spelling of 1420129932 in words is "one billion, four hundred twenty million, one hundred twenty-nine thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 9103397 18206794 27310191 36413588 54620382 109240764 118344161 236688322 355032483 473376644 710064966 1420129932