Search a number
-
+
275664673 = 1721961823
BaseRepresentation
bin10000011011100…
…100111100100001
3201012201012211201
4100123210330201
51031032232143
643204241201
76555053044
oct2033447441
9635635751
10275664673
11131672a49
12783a0201
134515a2bb
142887ac5b
151930364d
hex106e4f21

275664673 has 24 divisors (see below), whose sum is σ = 313680320. Its totient is φ = 241470720.

The previous prime is 275664667. The next prime is 275664677. The reversal of 275664673 is 376466572.

It is not a de Polignac number, because 275664673 - 213 = 275656481 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275664677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334540 + ... + 335362.

Almost surely, 2275664673 is an apocalyptic number.

It is an amenable number.

275664673 is a deficient number, since it is larger than the sum of its proper divisors (38015647).

275664673 is a wasteful number, since it uses less digits than its factorization.

275664673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 920 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 46.

The square root of 275664673 is about 16603.1525018594. The cubic root of 275664673 is about 650.8192218993.

The spelling of 275664673 in words is "two hundred seventy-five million, six hundred sixty-four thousand, six hundred seventy-three".

Divisors: 1 17 19 61 289 323 823 1037 1159 5491 13991 15637 17629 19703 50203 237847 265829 334951 853451 953857 4519093 14508667 16215569 275664673