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380380583 = 11712831721
BaseRepresentation
bin10110101011000…
…010010110100111
3222111202100001202
4112223002112213
51234334134313
6101424513115
712266116202
oct2653022647
9874670052
10380380583
11185795620
12a747b79b
1360a6248b
1438738939
15235da558
hex16ac25a7

380380583 has 16 divisors (see below), whose sum is σ = 422537472. Its totient is φ = 339528000.

The previous prime is 380380579. The next prime is 380380591. The reversal of 380380583 is 385083083.

It is a cyclic number.

It is not a de Polignac number, because 380380583 - 22 = 380380579 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380380573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220163 + ... + 221883.

It is an arithmetic number, because the mean of its divisors is an integer number (26408592).

Almost surely, 2380380583 is an apocalyptic number.

380380583 is a deficient number, since it is larger than the sum of its proper divisors (42156889).

380380583 is a wasteful number, since it uses less digits than its factorization.

380380583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 380380583 is about 19503.3479946393. The cubic root of 380380583 is about 724.5573726281.

The spelling of 380380583 in words is "three hundred eighty million, three hundred eighty thousand, five hundred eighty-three".

Divisors: 1 11 71 283 781 1721 3113 18931 20093 122191 221023 487043 1344101 5357473 34580053 380380583