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145929886 = 2671089029
BaseRepresentation
bin10001011001010…
…11011010011110
3101011121000011121
420230223122132
5244324224021
622251441154
73421245364
oct1054533236
9334530147
10145929886
1175412313
1240a561ba
132430545b
1415549634
15cc28741
hex8b2b69e

145929886 has 8 divisors (see below), whose sum is σ = 222162120. Its totient is φ = 71875848.

The previous prime is 145929863. The next prime is 145929911. The reversal of 145929886 is 688929541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544381 + ... + 544648.

It is an arithmetic number, because the mean of its divisors is an integer number (27770265).

Almost surely, 2145929886 is an apocalyptic number.

145929886 is a deficient number, since it is larger than the sum of its proper divisors (76232234).

145929886 is a wasteful number, since it uses less digits than its factorization.

145929886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089098.

The product of its digits is 1244160, while the sum is 52.

The square root of 145929886 is about 12080.1442872178. The cubic root of 145929886 is about 526.4794382468.

The spelling of 145929886 in words is "one hundred forty-five million, nine hundred twenty-nine thousand, eight hundred eighty-six".

Divisors: 1 2 67 134 1089029 2178058 72964943 145929886