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1300050320 = 245139116911
BaseRepresentation
bin100110101111101…
…0011000110010000
310100121021101202212
41031133103012100
510130303102240
6333000331252
744134150112
oct11537230620
93317241685
101300050320
11607932058
12303473b28
13179454b5a
14c49353b2
1579200165
hex4d7d3190

1300050320 has 40 divisors (see below), whose sum is σ = 3044388480. Its totient is φ = 516274560.

The previous prime is 1300050289. The next prime is 1300050341. The reversal of 1300050320 is 230500031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1300050295 and 1300050304.

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, 47336 + ... + 69575.

It is an arithmetic number, because the mean of its divisors is an integer number (76109712).

Almost surely, 21300050320 is an apocalyptic number.

1300050320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300050320 is an abundant number, since it is smaller than the sum of its proper divisors (1744338160).

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

1300050320 is a wasteful number, since it uses less digits than its factorization.

1300050320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117063 (or 117057 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1300050320 is about 36056.2105607342. The cubic root of 1300050320 is about 1091.4069646461.

Adding to 1300050320 its reverse (230500031), we get a palindrome (1530550351).

The spelling of 1300050320 in words is "one billion, three hundred million, fifty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 139 278 556 695 1112 1390 2224 2780 5560 11120 116911 233822 467644 584555 935288 1169110 1870576 2338220 4676440 9352880 16250629 32501258 65002516 81253145 130005032 162506290 260010064 325012580 650025160 1300050320