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136843201 = 1158721193
BaseRepresentation
bin10000010100000…
…00111111000001
3100112111100120201
420022000333001
5240012440301
621325005201
73251101525
oct1012007701
9315440521
10136843201
1170276360
12399b3801
1322473511
1414261d85
15c031201
hex8280fc1

136843201 has 8 divisors (see below), whose sum is σ = 149544864. Its totient is φ = 124185120.

The previous prime is 136843193. The next prime is 136843229. The reversal of 136843201 is 102348631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136843201 - 23 = 136843193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136843201.

It is not an unprimeable number, because it can be changed into a prime (136843001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4140 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (18693108).

Almost surely, 2136843201 is an apocalyptic number.

136843201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136843201 is a deficient number, since it is larger than the sum of its proper divisors (12701663).

136843201 is a wasteful number, since it uses less digits than its factorization.

136843201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21791.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 136843201 is about 11697.9998717730. Note that the first 3 decimals coincide. The cubic root of 136843201 is about 515.3169268662.

The spelling of 136843201 in words is "one hundred thirty-six million, eight hundred forty-three thousand, two hundred one".

Divisors: 1 11 587 6457 21193 233123 12440291 136843201