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145535286 = 23131865837
BaseRepresentation
bin10001010110010…
…11000100110110
3101010211221212210
420223023010312
5244224112121
622235154250
73415013061
oct1053130466
9333757783
10145535286
11751728a6
12408a5986
13241c7970
14154858d8
15cb9b876
hex8acb136

145535286 has 16 divisors (see below), whose sum is σ = 313460784. Its totient is φ = 44780064.

The previous prime is 145535261. The next prime is 145535293. The reversal of 145535286 is 682535541.

It is a super-2 number, since 2×1455352862 = 42361038942203592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 932841 + ... + 932996.

It is an arithmetic number, because the mean of its divisors is an integer number (19591299).

Almost surely, 2145535286 is an apocalyptic number.

145535286 is an abundant number, since it is smaller than the sum of its proper divisors (167925498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145535286 is a wasteful number, since it uses less digits than its factorization.

145535286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865855.

The product of its digits is 144000, while the sum is 39.

The square root of 145535286 is about 12063.8006449046. The cubic root of 145535286 is about 526.0044696908.

The spelling of 145535286 in words is "one hundred forty-five million, five hundred thirty-five thousand, two hundred eighty-six".

Divisors: 1 2 3 6 13 26 39 78 1865837 3731674 5597511 11195022 24255881 48511762 72767643 145535286