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145613384 = 2372600239
BaseRepresentation
bin10001010110111…
…10001001001000
3101010222221000022
420223132021020
5244234112014
622241000012
73415456550
oct1053361110
9333887008
10145613384
1175216544
1240923008
1324224387
14154a6160
15cbb4a8e
hex8ade248

145613384 has 16 divisors (see below), whose sum is σ = 312028800. Its totient is φ = 62405712.

The previous prime is 145613371. The next prime is 145613387. The reversal of 145613384 is 483316541.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145613387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300064 + ... + 1300175.

It is an arithmetic number, because the mean of its divisors is an integer number (19501800).

Almost surely, 2145613384 is an apocalyptic number.

145613384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145613384 is an abundant number, since it is smaller than the sum of its proper divisors (166415416).

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

145613384 is a wasteful number, since it uses less digits than its factorization.

145613384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600252 (or 2600248 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 145613384 is about 12067.0370845539. The cubic root of 145613384 is about 526.0985420682.

The spelling of 145613384 in words is "one hundred forty-five million, six hundred thirteen thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 2600239 5200478 10400956 18201673 20801912 36403346 72806692 145613384