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380045211 = 37131499343
BaseRepresentation
bin10110101001110…
…000011110011011
3222111010022000120
4112221300132123
51234242421321
6101413404323
712263221350
oct2651603633
9874108016
10380045211
11185586657
12a73396a3
1360975930
143868c627
1523570ec6
hex16a7079b

380045211 has 32 divisors (see below), whose sum is σ = 627916800. Its totient is φ = 199096704.

The previous prime is 380045161. The next prime is 380045233. The reversal of 380045211 is 112540083.

It is not a de Polignac number, because 380045211 - 26 = 380045147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380045291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36006 + ... + 45348.

It is an arithmetic number, because the mean of its divisors is an integer number (19622400).

Almost surely, 2380045211 is an apocalyptic number.

380045211 is a deficient number, since it is larger than the sum of its proper divisors (247871589).

380045211 is a wasteful number, since it uses less digits than its factorization.

380045211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 380045211 is about 19494.7482928095. The cubic root of 380045211 is about 724.3443686740.

Adding to 380045211 its reverse (112540083), we get a palindrome (492585294).

The spelling of 380045211 in words is "three hundred eighty million, forty-five thousand, two hundred eleven".

Divisors: 1 3 7 13 21 39 91 149 273 447 1043 1937 3129 5811 9343 13559 28029 40677 65401 121459 196203 364377 850213 1392107 2550639 4176321 9744749 18097391 29234247 54292173 126681737 380045211