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151894985 = 5112761727
BaseRepresentation
bin10010000110110…
…11101111001001
3101120211001202012
421003123233021
5302341114420
623023345305
73523041344
oct1103335711
9346731665
10151894985
1178816a50
1242a52235
13256135b8
141625d45b
15d505dc5
hex90dbbc9

151894985 has 8 divisors (see below), whose sum is σ = 198844416. Its totient is φ = 110469040.

The previous prime is 151894961. The next prime is 151894991. The reversal of 151894985 is 589498151.

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

It is a de Polignac number, because none of the positive numbers 2k-151894985 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1380809 + ... + 1380918.

It is an arithmetic number, because the mean of its divisors is an integer number (24855552).

Almost surely, 2151894985 is an apocalyptic number.

It is an amenable number.

151894985 is a deficient number, since it is larger than the sum of its proper divisors (46949431).

151894985 is a wasteful number, since it uses less digits than its factorization.

151894985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761743.

The product of its digits is 518400, while the sum is 50.

The square root of 151894985 is about 12324.5683494393. The cubic root of 151894985 is about 533.5573969558.

The spelling of 151894985 in words is "one hundred fifty-one million, eight hundred ninety-four thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 2761727 13808635 30378997 151894985