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147742293 = 3157931189
BaseRepresentation
bin10001100111001…
…01111001010101
3101022000002022210
420303211321111
5300310223133
622354344033
73442534356
oct1063457125
9338002283
10147742293
117643aa76
124158b019
13247bb39a
141589bd2d
15ce85763
hex8ce5e55

147742293 has 8 divisors (see below), whose sum is σ = 197120800. Its totient is φ = 98429328.

The previous prime is 147742279. The next prime is 147742297. The reversal of 147742293 is 392247741.

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

It is not a de Polignac number, because 147742293 - 214 = 147725909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147742297) 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, 10858 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (24640100).

Almost surely, 2147742293 is an apocalyptic number.

It is an amenable number.

147742293 is a deficient number, since it is larger than the sum of its proper divisors (49378507).

147742293 is a wasteful number, since it uses less digits than its factorization.

147742293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32771.

The product of its digits is 84672, while the sum is 39.

The square root of 147742293 is about 12154.9287533905. The cubic root of 147742293 is about 528.6500509121.

The spelling of 147742293 in words is "one hundred forty-seven million, seven hundred forty-two thousand, two hundred ninety-three".

Divisors: 1 3 1579 4737 31189 93567 49247431 147742293