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147890353 = 1311376181
BaseRepresentation
bin10001101000010…
…10000010110001
3101022021121102111
420310022002301
5300324442403
622401445321
73444022132
oct1064120261
9338247374
10147890353
1176531236
1241640841
13248408b0
14158d9c89
15ceb456d
hex8d0a0b1

147890353 has 4 divisors (see below), whose sum is σ = 159266548. Its totient is φ = 136514160.

The previous prime is 147890317. The next prime is 147890363. The reversal of 147890353 is 353098741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353098741 = 3413103457.

It can be written as a sum of positive squares in 2 ways, for example, as 93470224 + 54420129 = 9668^2 + 7377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147890353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147890363) 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, 5688078 + ... + 5688103.

It is an arithmetic number, because the mean of its divisors is an integer number (39816637).

Almost surely, 2147890353 is an apocalyptic number.

147890353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

147890353 is a deficient number, since it is larger than the sum of its proper divisors (11376195).

147890353 is a wasteful number, since it uses less digits than its factorization.

147890353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376194.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 147890353 is about 12161.0177616843. The cubic root of 147890353 is about 528.8265875755.

The spelling of 147890353 in words is "one hundred forty-seven million, eight hundred ninety thousand, three hundred fifty-three".

Divisors: 1 13 11376181 147890353