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380963 = 1159587
BaseRepresentation
bin1011101000000100011
3201100120202
41131000203
544142323
612055415
73144452
oct1350043
9640522
10380963
11240250
1216456b
1310452b
149cb99
1577d28
hex5d023

380963 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 339880.

The previous prime is 380957. The next prime is 380971. The reversal of 380963 is 369083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380963 - 28 = 380707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2380963 is an apocalyptic number.

380963 is a deficient number, since it is larger than the sum of its proper divisors (42397).

380963 is a wasteful number, since it uses less digits than its factorization.

With its successor (380964) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (657).

380963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 380963 is about 617.2220022002. Note that the first 3 decimals coincide. The cubic root of 380963 is about 72.4926984323.

It can be divided in two parts, 380 and 963, that multiplied together give a triangular number (365940 = T855).

The spelling of 380963 in words is "three hundred eighty thousand, nine hundred sixty-three".

Divisors: 1 11 59 587 649 6457 34633 380963