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151745089 = 891705001
BaseRepresentation
bin10010000101101…
…11001001000001
3101120112110010111
421002313021001
5302321320324
623020231321
73521545336
oct1102671101
9346473114
10151745089
1178724371
124299b541
13255902c2
141622098d
15d4c6794
hex90b7241

151745089 has 4 divisors (see below), whose sum is σ = 153450180. Its totient is φ = 150040000.

The previous prime is 151745071. The next prime is 151745117. The reversal of 151745089 is 980547151.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60217600 + 91527489 = 7760^2 + 9567^2 .

It is a cyclic number.

It is not a de Polignac number, because 151745089 - 25 = 151745057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151740089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852412 + ... + 852589.

It is an arithmetic number, because the mean of its divisors is an integer number (38362545).

Almost surely, 2151745089 is an apocalyptic number.

It is an amenable number.

151745089 is a deficient number, since it is larger than the sum of its proper divisors (1705091).

151745089 is an equidigital number, since it uses as much as digits as its factorization.

151745089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705090.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 151745089 is about 12318.4856618011. The cubic root of 151745089 is about 533.3818273179.

The spelling of 151745089 in words is "one hundred fifty-one million, seven hundred forty-five thousand, eighty-nine".

Divisors: 1 89 1705001 151745089