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145724682 = 23149163003
BaseRepresentation
bin10001010111110…
…01010100001010
3101011012120200110
420223321110022
5244301142212
622243215150
73416432205
oct1053712412
9334176613
10145724682
1175292124
12409774b6
1324262c2c
14154d493c
15cbd7a3c
hex8af950a

145724682 has 16 divisors (see below), whose sum is σ = 293407200. Its totient is φ = 48248592.

The previous prime is 145724671. The next prime is 145724723. The reversal of 145724682 is 286427541.

It is a super-2 number, since 2×1457246822 = 42471365888002248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145724682.

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, 80608 + ... + 82395.

It is an arithmetic number, because the mean of its divisors is an integer number (18337950).

Almost surely, 2145724682 is an apocalyptic number.

145724682 is an abundant number, since it is smaller than the sum of its proper divisors (147682518).

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

145724682 is a wasteful number, since it uses less digits than its factorization.

145724682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163157.

The product of its digits is 107520, while the sum is 39.

The square root of 145724682 is about 12071.6478576870. The cubic root of 145724682 is about 526.2325471575.

The spelling of 145724682 in words is "one hundred forty-five million, seven hundred twenty-four thousand, six hundred eighty-two".

Divisors: 1 2 3 6 149 298 447 894 163003 326006 489009 978018 24287447 48574894 72862341 145724682