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137602229 = 472927707
BaseRepresentation
bin10000011001110…
…10010010110101
3100120220220202212
420030322102311
5240211232404
621353143205
73260412452
oct1014722265
9316826685
10137602229
1170744656
123a0bab05
132267ab4b
14143bc829
15c13106e
hex833a4b5

137602229 has 4 divisors (see below), whose sum is σ = 140529984. Its totient is φ = 134674476.

The previous prime is 137602217. The next prime is 137602249. The reversal of 137602229 is 922206731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922206731 = 5317400127.

It is a cyclic number.

It is not a de Polignac number, because 137602229 - 28 = 137601973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137602195 and 137602204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137602249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463807 + ... + 1463900.

It is an arithmetic number, because the mean of its divisors is an integer number (35132496).

Almost surely, 2137602229 is an apocalyptic number.

It is an amenable number.

137602229 is a deficient number, since it is larger than the sum of its proper divisors (2927755).

137602229 is an equidigital number, since it uses as much as digits as its factorization.

137602229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927754.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 137602229 is about 11730.3976488438. The cubic root of 137602229 is about 516.2679399363.

The spelling of 137602229 in words is "one hundred thirty-seven million, six hundred two thousand, two hundred twenty-nine".

Divisors: 1 47 2927707 137602229