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380464173 = 32109389997
BaseRepresentation
bin10110101011010…
…110110000101101
3222111220120201200
4112223112300231
51234344323143
6101430400113
712266614665
oct2653266055
9874816650
10380464173
11185842401
12a7500039
1360a9153b
143875b1a5
15236051d3
hex16ad6c2d

380464173 has 24 divisors (see below), whose sum is σ = 556584600. Its totient is φ = 250418304.

The previous prime is 380464171. The next prime is 380464211. The reversal of 380464173 is 371464083.

380464173 is a `hidden beast` number, since 3 + 8 + 0 + 4 + 641 + 7 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106131204 + 274332969 = 10302^2 + 16563^2 .

It is not a de Polignac number, because 380464173 - 21 = 380464171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380464171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381111 + ... + 382107.

It is an arithmetic number, because the mean of its divisors is an integer number (23191025).

Almost surely, 2380464173 is an apocalyptic number.

It is an amenable number.

380464173 is a deficient number, since it is larger than the sum of its proper divisors (176120427).

380464173 is a wasteful number, since it uses less digits than its factorization.

380464173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 380464173 is about 19505.4908423244. The cubic root of 380464173 is about 724.6104434362.

The spelling of 380464173 in words is "three hundred eighty million, four hundred sixty-four thousand, one hundred seventy-three".

Divisors: 1 3 9 109 327 389 981 997 1167 2991 3501 8973 42401 108673 127203 326019 381609 387833 978057 1163499 3490497 42273797 126821391 380464173