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380014731 = 32307137537
BaseRepresentation
bin10110101001101…
…001000010001011
3222111001202012200
4112221221002023
51234240432411
6101413011243
712263033445
oct2651510213
9874052180
10380014731
11185565768
12a7323b23
1360964ab5
1438681495
1523566e56
hex16a6908b

380014731 has 12 divisors (see below), whose sum is σ = 550702152. Its totient is φ = 252516096.

The previous prime is 380014729. The next prime is 380014751. The reversal of 380014731 is 137410083.

It is not a de Polignac number, because 380014731 - 21 = 380014729 is a prime.

It is a super-2 number, since 2×3800147312 = 288822391554004722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 380014695 and 380014704.

It is not an unprimeable number, because it can be changed into a prime (380014711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66006 + ... + 71531.

It is an arithmetic number, because the mean of its divisors is an integer number (45891846).

Almost surely, 2380014731 is an apocalyptic number.

380014731 is a deficient number, since it is larger than the sum of its proper divisors (170687421).

380014731 is a wasteful number, since it uses less digits than its factorization.

380014731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137850 (or 137847 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 380014731 is about 19493.9665281338. The cubic root of 380014731 is about 724.3250037792.

The spelling of 380014731 in words is "three hundred eighty million, fourteen thousand, seven hundred thirty-one".

Divisors: 1 3 9 307 921 2763 137537 412611 1237833 42223859 126671577 380014731