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151230115 = 530246023
BaseRepresentation
bin10010000001110…
…01011010100011
3101112120021201101
421000321122203
5302203330430
623001215231
73514302061
oct1100713243
9345507641
10151230115
1178402473
1242791517
132543ca9a
1416129031
15d423dca
hex90396a3

151230115 has 4 divisors (see below), whose sum is σ = 181476144. Its totient is φ = 120984088.

The previous prime is 151230109. The next prime is 151230133. The reversal of 151230115 is 511032151.

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

It is a cyclic number.

It is not a de Polignac number, because 151230115 - 219 = 150705827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151230092 and 151230101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15123007 + ... + 15123016.

It is an arithmetic number, because the mean of its divisors is an integer number (45369036).

Almost surely, 2151230115 is an apocalyptic number.

151230115 is a deficient number, since it is larger than the sum of its proper divisors (30246029).

151230115 is an equidigital number, since it uses as much as digits as its factorization.

151230115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30246028.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 151230115 is about 12297.5654094622. The cubic root of 151230115 is about 532.7777680482. Note that the first 4 decimals are identical.

Adding to 151230115 its reverse (511032151), we get a palindrome (662262266).

The spelling of 151230115 in words is "one hundred fifty-one million, two hundred thirty thousand, one hundred fifteen".

Divisors: 1 5 30246023 151230115