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161339485 = 547686551
BaseRepresentation
bin10011001110111…
…01100001011101
3102020120220011111
421213131201131
5312300330420
624002022021
73666235336
oct1147354135
9366526144
10161339485
118308781a
1246047911
132756c368
14175db28d
15e26e45a
hex99dd85d

161339485 has 8 divisors (see below), whose sum is σ = 197726976. Its totient is φ = 126325200.

The previous prime is 161339461. The next prime is 161339491. The reversal of 161339485 is 584933161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161339485 - 27 = 161339357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343041 + ... + 343510.

It is an arithmetic number, because the mean of its divisors is an integer number (24715872).

Almost surely, 2161339485 is an apocalyptic number.

It is an amenable number.

161339485 is a deficient number, since it is larger than the sum of its proper divisors (36387491).

161339485 is an equidigital number, since it uses as much as digits as its factorization.

161339485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686603.

The product of its digits is 77760, while the sum is 40.

The square root of 161339485 is about 12701.9480789366. The cubic root of 161339485 is about 544.3942825814.

The spelling of 161339485 in words is "one hundred sixty-one million, three hundred thirty-nine thousand, four hundred eighty-five".

Divisors: 1 5 47 235 686551 3432755 32267897 161339485