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147423 = 3157313
BaseRepresentation
bin100011111111011111
321111020010
4203333133
514204143
63054303
71152543
oct437737
9244203
10147423
11a0841
1271393
1352143
143ba23
152da33
hex23fdf

147423 has 8 divisors (see below), whose sum is σ = 198448. Its totient is φ = 97344.

The previous prime is 147419. The next prime is 147449. The reversal of 147423 is 324741.

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

It is not a de Polignac number, because 147423 - 22 = 147419 is a prime.

147423 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 147423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140423) 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, 315 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (24806).

2147423 is an apocalyptic number.

147423 is a deficient number, since it is larger than the sum of its proper divisors (51025).

147423 is a wasteful number, since it uses less digits than its factorization.

147423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its digits is 672, while the sum is 21.

The square root of 147423 is about 383.9570288457. The cubic root of 147423 is about 52.8268945859.

The spelling of 147423 in words is "one hundred forty-seven thousand, four hundred twenty-three", and thus it is an iban number.

Divisors: 1 3 157 313 471 939 49141 147423