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145027727 = 1319357803
BaseRepresentation
bin10001010010011…
…11001010001111
3101002220011122022
420221033022033
5244111341402
622220240355
73410500235
oct1051171217
9332804568
10145027727
1174956529
12406a00bb
132407a930
1415392955
15caeb2a2
hex8a4f28f

145027727 has 8 divisors (see below), whose sum is σ = 156995664. Its totient is φ = 133175808.

The previous prime is 145027711. The next prime is 145027801. The reversal of 145027727 is 727720541.

145027727 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145027727 - 24 = 145027711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145027327) 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, 26393 + ... + 31410.

It is an arithmetic number, because the mean of its divisors is an integer number (19624458).

Almost surely, 2145027727 is an apocalyptic number.

145027727 is a deficient number, since it is larger than the sum of its proper divisors (11967937).

145027727 is a wasteful number, since it uses less digits than its factorization.

145027727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58009.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 145027727 is about 12042.7458247694. The cubic root of 145027727 is about 525.3922716050.

The spelling of 145027727 in words is "one hundred forty-five million, twenty-seven thousand, seven hundred twenty-seven".

Divisors: 1 13 193 2509 57803 751439 11155979 145027727