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1383706172 = 22794378817
BaseRepresentation
bin101001001111001…
…1010111000111100
310120102200120000202
41102132122320330
510313212044142
6345145343032
746201210532
oct12236327074
93512616022
101383706172
1165007aa22
12327497a78
13190895264
14d1ab0152
1581727032
hex5279ae3c

1383706172 has 12 divisors (see below), whose sum is σ = 2452138080. Its totient is φ = 683095296.

The previous prime is 1383706157. The next prime is 1383706189. The reversal of 1383706172 is 2716073831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189093 + ... + 2189724.

It is an arithmetic number, because the mean of its divisors is an integer number (204344840).

Almost surely, 21383706172 is an apocalyptic number.

It is an amenable number.

1383706172 is a deficient number, since it is larger than the sum of its proper divisors (1068431908).

1383706172 is a wasteful number, since it uses less digits than its factorization.

1383706172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378900 (or 4378898 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1383706172 is about 37198.2011930685. The cubic root of 1383706172 is about 1114.3320610916.

The spelling of 1383706172 in words is "one billion, three hundred eighty-three million, seven hundred six thousand, one hundred seventy-two".

Divisors: 1 2 4 79 158 316 4378817 8757634 17515268 345926543 691853086 1383706172