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245042677 = 11197316061
BaseRepresentation
bin11101001101100…
…00110111110101
3122002002110100201
432212300313311
51000212331202
640152040501
76033554065
oct1646606765
9562073321
10245042677
11116358210
126a093131
133b9c8189
14247893a5
15167a5387
hexe9b0df5

245042677 has 16 divisors (see below), whose sum is σ = 285261120. Its totient is φ = 208137600.

The previous prime is 245042671. The next prime is 245042689. The reversal of 245042677 is 776240542.

It is not a de Polignac number, because 245042677 - 23 = 245042669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245042671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7227 + ... + 23287.

It is an arithmetic number, because the mean of its divisors is an integer number (17828820).

Almost surely, 2245042677 is an apocalyptic number.

It is an amenable number.

245042677 is a deficient number, since it is larger than the sum of its proper divisors (40218443).

245042677 is a wasteful number, since it uses less digits than its factorization.

245042677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 245042677 is about 15653.8390498944. The cubic root of 245042677 is about 625.7688049545.

The spelling of 245042677 in words is "two hundred forty-five million, forty-two thousand, six hundred seventy-seven".

Divisors: 1 11 19 73 209 803 1387 15257 16061 176671 305159 1172453 3356749 12896983 22276607 245042677