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159484901 = 1159313757
BaseRepresentation
bin10011000000110…
…00101111100101
3102010002200011012
421200120233211
5311312004101
623454152005
73644412362
oct1140305745
9363080135
10159484901
1182030404
12454b2605
1327070184
1417277469
15e004bbb
hex9818be5

159484901 has 4 divisors (see below), whose sum is σ = 159510252. Its totient is φ = 159459552.

The previous prime is 159484877. The next prime is 159484903. The reversal of 159484901 is 109484951.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 78304801 + 81180100 = 8849^2 + 9010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-159484901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159484903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (39877563).

Almost surely, 2159484901 is an apocalyptic number.

It is an amenable number.

159484901 is a deficient number, since it is larger than the sum of its proper divisors (25351).

159484901 is a wasteful number, since it uses less digits than its factorization.

159484901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 159484901 is about 12628.7331510330. The cubic root of 159484901 is about 542.3003162677.

The spelling of 159484901 in words is "one hundred fifty-nine million, four hundred eighty-four thousand, nine hundred one".

Divisors: 1 11593 13757 159484901