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380829715 = 5723743977
BaseRepresentation
bin10110101100110…
…000000000010011
3222112121011011021
4112230300000103
51234443022330
6101442300311
712302666500
oct2654600023
9875534137
10380829715
11185a72002
12a7657697
1360b8ba36
14388144a7
152367867a
hex16b30013

380829715 has 48 divisors (see below), whose sum is σ = 559243872. Its totient is φ = 247919616.

The previous prime is 380829703. The next prime is 380829721. The reversal of 380829715 is 517928083.

It is not a de Polignac number, because 380829715 - 213 = 380821523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389307 + ... + 390283.

It is an arithmetic number, because the mean of its divisors is an integer number (11650914).

Almost surely, 2380829715 is an apocalyptic number.

380829715 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

380829715 is a deficient number, since it is larger than the sum of its proper divisors (178414157).

380829715 is a wasteful number, since it uses less digits than its factorization.

380829715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 380829715 is about 19514.8588260330. The cubic root of 380829715 is about 724.8424326622.

The spelling of 380829715 in words is "three hundred eighty million, eight hundred twenty-nine thousand, seven hundred fifteen".

Divisors: 1 5 7 35 37 43 49 185 215 245 259 301 977 1295 1505 1591 1813 2107 4885 6839 7955 9065 10535 11137 34195 36149 42011 47873 55685 77959 180745 210055 239365 253043 294077 389795 1265215 1470385 1554407 1771301 2058539 7772035 8856505 10292695 10880849 54404245 76165943 380829715