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137242298 = 268621149
BaseRepresentation
bin10000010111000…
…10011010111010
3100120020122001002
420023202122322
5240113223143
621341325002
73254353214
oct1013423272
9316218032
10137242298
1170519196
1239b66762
132258307b
14143275b4
15c0ae5b8
hex82e26ba

137242298 has 4 divisors (see below), whose sum is σ = 205863450. Its totient is φ = 68621148.

The previous prime is 137242289. The next prime is 137242349. The reversal of 137242298 is 892242731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 88981489 + 48260809 = 9433^2 + 6947^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34310573 + ... + 34310576.

Almost surely, 2137242298 is an apocalyptic number.

137242298 is a deficient number, since it is larger than the sum of its proper divisors (68621152).

137242298 is an equidigital number, since it uses as much as digits as its factorization.

137242298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68621151.

The product of its digits is 48384, while the sum is 38.

The square root of 137242298 is about 11715.0457958985. The cubic root of 137242298 is about 515.8174068006.

The spelling of 137242298 in words is "one hundred thirty-seven million, two hundred forty-two thousand, two hundred ninety-eight".

Divisors: 1 2 68621149 137242298