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245353311 = 32729134293
BaseRepresentation
bin11101001111111…
…00101101011111
3122002200020110200
432213330231133
51000302301221
640202434543
76036316530
oct1647745537
9562606420
10245353311
1111654a635
126a202a53
133baa6698
142482a687
1516817426
hexe9fcb5f

245353311 has 24 divisors (see below), whose sum is σ = 418997280. Its totient is φ = 135366336.

The previous prime is 245353267. The next prime is 245353319. The reversal of 245353311 is 113353542.

It is not a de Polignac number, because 245353311 - 210 = 245352287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245353319) 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, 65320 + ... + 68973.

It is an arithmetic number, because the mean of its divisors is an integer number (17458220).

Almost surely, 2245353311 is an apocalyptic number.

245353311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

245353311 is a deficient number, since it is larger than the sum of its proper divisors (173643969).

245353311 is a wasteful number, since it uses less digits than its factorization.

245353311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134335 (or 134332 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 245353311 is about 15663.7578824495. The cubic root of 245353311 is about 626.0331167175.

The spelling of 245353311 in words is "two hundred forty-five million, three hundred fifty-three thousand, three hundred eleven".

Divisors: 1 3 7 9 21 29 63 87 203 261 609 1827 134293 402879 940051 1208637 2820153 3894497 8460459 11683491 27261479 35050473 81784437 245353311