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380901223 = 2411580503
BaseRepresentation
bin10110101101000…
…001011101100111
3222112201210020201
4112231001131213
51240002314343
6101444011331
712303415123
oct2655013547
9875653221
10380901223
111860107aa
12a7690b47
1360bb5451
1438832583
152368e94d
hex16b41767

380901223 has 4 divisors (see below), whose sum is σ = 382481968. Its totient is φ = 379320480.

The previous prime is 380901217. The next prime is 380901239. The reversal of 380901223 is 322109083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322109083 = 1483217201.

It is a cyclic number.

It is not a de Polignac number, because 380901223 - 213 = 380893031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380901191 and 380901200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380901523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790011 + ... + 790492.

It is an arithmetic number, because the mean of its divisors is an integer number (95620492).

Almost surely, 2380901223 is an apocalyptic number.

380901223 is a deficient number, since it is larger than the sum of its proper divisors (1580745).

380901223 is a wasteful number, since it uses less digits than its factorization.

380901223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580744.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 380901223 is about 19516.6908824216. The cubic root of 380901223 is about 724.8877974598.

The spelling of 380901223 in words is "three hundred eighty million, nine hundred one thousand, two hundred twenty-three".

Divisors: 1 241 1580503 380901223