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380217383 = 7132331971
BaseRepresentation
bin10110101010011…
…010100000100111
3222111110001012022
4112222122200213
51234313424013
6101421213355
712264536330
oct2652324047
9874401168
10380217383
11185693a47
12a740125b
1360a06100
14386d5287
15235a7008
hex16a9a827

380217383 has 24 divisors (see below), whose sum is σ = 472438656. Its totient is φ = 299613600.

The previous prime is 380217353. The next prime is 380217391. The reversal of 380217383 is 383712083.

It is not a de Polignac number, because 380217383 - 26 = 380217319 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380217353) 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, 391088 + ... + 392058.

It is an arithmetic number, because the mean of its divisors is an integer number (19684944).

Almost surely, 2380217383 is an apocalyptic number.

380217383 is a deficient number, since it is larger than the sum of its proper divisors (92221273).

380217383 is a wasteful number, since it uses less digits than its factorization.

380217383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 380217383 is about 19499.1636487312. The cubic root of 380217383 is about 724.4537354783.

The spelling of 380217383 in words is "three hundred eighty million, two hundred seventeen thousand, three hundred eighty-three".

Divisors: 1 7 13 91 169 331 971 1183 2317 4303 6797 12623 30121 55939 88361 164099 321401 391573 1148693 2249807 4178213 29247491 54316769 380217383