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8407247142 = 237200172551
BaseRepresentation
bin1111101010001110…
…00110100100100110
3210200220201101221210
413311013012210212
5114204223402032
63510124252250
7415224264420
oct76507064446
923626641853
108407247142
113624743238
1217676a1086
13a3ca21268
1459a7d7810
153431412cc
hex1f51c6926

8407247142 has 16 divisors (see below), whose sum is σ = 19216564992. Its totient is φ = 2402070600.

The previous prime is 8407247113. The next prime is 8407247161. The reversal of 8407247142 is 2417427048.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8407247142.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 100086234 + ... + 100086317.

It is an arithmetic number, because the mean of its divisors is an integer number (1201035312).

Almost surely, 28407247142 is an apocalyptic number.

8407247142 is an abundant number, since it is smaller than the sum of its proper divisors (10809317850).

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

8407247142 is a wasteful number, since it uses less digits than its factorization.

8407247142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200172563.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 8407247142 is about 91691.0417761735. The cubic root of 8407247142 is about 2033.3771462804.

The spelling of 8407247142 in words is "eight billion, four hundred seven million, two hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 200172551 400345102 600517653 1201035306 1401207857 2802415714 4203623571 8407247142