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245427377 = 1322950077
BaseRepresentation
bin11101010000011…
…10110010110001
3122002211000001212
432220032302301
51000312134002
640204205505
76040045466
oct1650166261
9562730055
10245427377
111165a0248
126a239895
133bb01300
142484966d
151682e352
hexea0ecb1

245427377 has 12 divisors (see below), whose sum is σ = 274928220. Its totient is φ = 218731968.

The previous prime is 245427289. The next prime is 245427407. The reversal of 245427377 is 773724542.

245427377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 9006001 + 236421376 = 3001^2 + 15376^2 .

It is not a de Polignac number, because 245427377 - 28 = 245427121 is a prime.

It is a super-2 number, since 2×2454273772 = 120469194762200258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245420377) 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, 20138 + ... + 29939.

It is an arithmetic number, because the mean of its divisors is an integer number (22910685).

Almost surely, 2245427377 is an apocalyptic number.

It is an amenable number.

245427377 is a deficient number, since it is larger than the sum of its proper divisors (29500843).

245427377 is a wasteful number, since it uses less digits than its factorization.

245427377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50132 (or 50119 counting only the distinct ones).

The product of its digits is 329280, while the sum is 41.

The square root of 245427377 is about 15666.1219515233. The cubic root of 245427377 is about 626.0961049359.

The spelling of 245427377 in words is "two hundred forty-five million, four hundred twenty-seven thousand, three hundred seventy-seven".

Divisors: 1 13 29 169 377 4901 50077 651001 1452233 8463013 18879029 245427377