Search a number
-
+
380650 = 25223331
BaseRepresentation
bin1011100111011101010
3201100011011
41130323222
544140100
612054134
73143524
oct1347352
9640134
10380650
1123aa96
1216434a
1310434a
149ca14
1577bba
hex5ceea

380650 has 24 divisors (see below), whose sum is σ = 741024. Its totient is φ = 145200.

The previous prime is 380641. The next prime is 380651. The reversal of 380650 is 56083.

It is not an unprimeable number, because it can be changed into a prime (380651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985 + ... + 1315.

It is an arithmetic number, because the mean of its divisors is an integer number (30876).

2380650 is an apocalyptic number.

380650 is a deficient number, since it is larger than the sum of its proper divisors (360374).

380650 is a wasteful number, since it uses less digits than its factorization.

380650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 380650 is about 616.9683946524. The cubic root of 380650 is about 72.4728396083.

Subtracting from 380650 its sum of digits (22), we obtain a triangular number (380628 = T872).

The spelling of 380650 in words is "three hundred eighty thousand, six hundred fifty".

Divisors: 1 2 5 10 23 25 46 50 115 230 331 575 662 1150 1655 3310 7613 8275 15226 16550 38065 76130 190325 380650