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150840137 = 789242119
BaseRepresentation
bin10001111110110…
…10001101001001
3101111211110202202
420333122031021
5302103341022
622545005545
73511056110
oct1077321511
9344743682
10150840137
1178166478
12426238b5
1325334426
1416066c77
15d398592
hex8fda349

150840137 has 8 divisors (see below), whose sum is σ = 174326400. Its totient is φ = 127838304.

The previous prime is 150840121. The next prime is 150840169. The reversal of 150840137 is 731048051.

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 150840137 - 24 = 150840121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150840737) 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, 120437 + ... + 121682.

It is an arithmetic number, because the mean of its divisors is an integer number (21790800).

Almost surely, 2150840137 is an apocalyptic number.

It is an amenable number.

150840137 is a deficient number, since it is larger than the sum of its proper divisors (23486263).

150840137 is an equidigital number, since it uses as much as digits as its factorization.

150840137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242215.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 150840137 is about 12281.6992716806. The cubic root of 150840137 is about 532.3194147661.

Adding to 150840137 its reverse (731048051), we get a palindrome (881888188).

The spelling of 150840137 in words is "one hundred fifty million, eight hundred forty thousand, one hundred thirty-seven".

Divisors: 1 7 89 623 242119 1694833 21548591 150840137