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145608040 = 23512728663
BaseRepresentation
bin10001010110111…
…00110101101000
3101010222122200101
420223130311220
5244233424130
622240515144
73415435144
oct1053346550
9333878611
10145608040
1175212526
124091bab4
1324221b06
14154a4224
15cbb31ca
hex8adcd68

145608040 has 32 divisors (see below), whose sum is σ = 330209280. Its totient is φ = 57782592.

The previous prime is 145608031. The next prime is 145608041. The reversal of 145608040 is 40806541.

145608040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145608041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9252 + ... + 19411.

It is an arithmetic number, because the mean of its divisors is an integer number (10319040).

Almost surely, 2145608040 is an apocalyptic number.

145608040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145608040 is an abundant number, since it is smaller than the sum of its proper divisors (184601240).

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

145608040 is a wasteful number, since it uses less digits than its factorization.

145608040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28801 (or 28797 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 145608040 is about 12066.8156528556. The cubic root of 145608040 is about 526.0921060641.

The spelling of 145608040 in words is "one hundred forty-five million, six hundred eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 127 254 508 635 1016 1270 2540 5080 28663 57326 114652 143315 229304 286630 573260 1146520 3640201 7280402 14560804 18201005 29121608 36402010 72804020 145608040