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381082797 = 32831015051
BaseRepresentation
bin10110101101101…
…101110010101101
3222120002000022200
4112231231302231
51240024122142
6101451532113
712305102364
oct2655556255
9876060280
10381082797
11186125167
12a775a039
1360c49ca4
143887c7db
15236c864c
hex16b6dcad

381082797 has 24 divisors (see below), whose sum is σ = 562711968. Its totient is φ = 248460000.

The previous prime is 381082787. The next prime is 381082831. The reversal of 381082797 is 797280183.

It is not a de Polignac number, because 381082797 - 26 = 381082733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381082787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72922 + ... + 77972.

It is an arithmetic number, because the mean of its divisors is an integer number (23446332).

Almost surely, 2381082797 is an apocalyptic number.

It is an amenable number.

381082797 is a deficient number, since it is larger than the sum of its proper divisors (181629171).

381082797 is a wasteful number, since it uses less digits than its factorization.

381082797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 381082797 is about 19521.3420901330. The cubic root of 381082797 is about 725.0029628099.

The spelling of 381082797 in words is "three hundred eighty-one million, eighty-two thousand, seven hundred ninety-seven".

Divisors: 1 3 9 83 101 249 303 747 909 5051 8383 15153 25149 45459 75447 419233 510151 1257699 1530453 3773097 4591359 42342533 127027599 381082797