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380223481 = 11200317257
BaseRepresentation
bin10110101010011…
…011111111111001
3222111110100120011
4112222123333321
51234314122411
6101421301521
712264563161
oct2652337771
9874410504
10380223481
11185698590
12a74048a1
1360a08b11
14386d75a1
15235a8c21
hex16a9bff9

380223481 has 8 divisors (see below), whose sum is σ = 415020384. Its totient is φ = 345465120.

The previous prime is 380223469. The next prime is 380223499. The reversal of 380223481 is 184322083.

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

It is not a de Polignac number, because 380223481 - 27 = 380223353 is a prime.

It is a super-2 number, since 2×3802234812 = 289139791007514722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380223451) 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, 13405 + ... + 30661.

It is an arithmetic number, because the mean of its divisors is an integer number (51877548).

Almost surely, 2380223481 is an apocalyptic number.

It is an amenable number.

380223481 is a deficient number, since it is larger than the sum of its proper divisors (34796903).

380223481 is a wasteful number, since it uses less digits than its factorization.

380223481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19271.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 380223481 is about 19499.3200137851. The cubic root of 380223481 is about 724.4576084340.

The spelling of 380223481 in words is "three hundred eighty million, two hundred twenty-three thousand, four hundred eighty-one".

Divisors: 1 11 2003 17257 22033 189827 34565771 380223481