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207120342 = 231113283853
BaseRepresentation
bin11000101100001…
…10011111010110
3112102201210200210
430112012133112
5411010322332
632315150250
75063331252
oct1426063726
9472653623
10207120342
11a6a06640
1259445386
1333bab220
141d717262
15132b3ecc
hexc5867d6

207120342 has 64 divisors (see below), whose sum is σ = 488952576. Its totient is φ = 57663360.

The previous prime is 207120337. The next prime is 207120371. The reversal of 207120342 is 243021702.

207120342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242388 + ... + 243240.

It is an arithmetic number, because the mean of its divisors is an integer number (7639884).

Almost surely, 2207120342 is an apocalyptic number.

207120342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 207120342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244476288).

207120342 is an abundant number, since it is smaller than the sum of its proper divisors (281832234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207120342 is a wasteful number, since it uses less digits than its factorization.

207120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 207120342 is about 14391.6761358780. The cubic root of 207120342 is about 591.6627823678.

The spelling of 207120342 in words is "two hundred seven million, one hundred twenty thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 283 286 429 566 849 853 858 1698 1706 2559 3113 3679 5118 6226 7358 9339 9383 11037 11089 18678 18766 22074 22178 28149 33267 40469 56298 66534 80938 121407 121979 241399 242814 243958 365937 482798 724197 731874 1448394 2655389 3138187 5310778 6276374 7966167 9414561 15932334 18829122 34520057 69040114 103560171 207120342