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151530289 = 167907367
BaseRepresentation
bin10010000100000…
…10101100110001
3101120010112110221
421002002230301
5302242432124
623011453041
73516662161
oct1102025461
9346115427
10151530289
1178597a49
12428b7181
13255165c1
14161a65a1
15d482ce4
hex9082b31

151530289 has 4 divisors (see below), whose sum is σ = 152437824. Its totient is φ = 150622756.

The previous prime is 151530271. The next prime is 151530311. The reversal of 151530289 is 982035151.

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.

It is a cyclic number.

It is not a de Polignac number, because 151530289 - 25 = 151530257 is a prime.

It is a super-2 number, since 2×1515302892 = 45922856968847042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151530229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453517 + ... + 453850.

It is an arithmetic number, because the mean of its divisors is an integer number (38109456).

Almost surely, 2151530289 is an apocalyptic number.

It is an amenable number.

151530289 is a deficient number, since it is larger than the sum of its proper divisors (907535).

151530289 is an equidigital number, since it uses as much as digits as its factorization.

151530289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907534.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 151530289 is about 12309.7639701174. The cubic root of 151530289 is about 533.1300354935.

The spelling of 151530289 in words is "one hundred fifty-one million, five hundred thirty thousand, two hundred eighty-nine".

Divisors: 1 167 907367 151530289