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147069 = 3313419
BaseRepresentation
bin100011111001111101
321110202000
4203321331
514201234
63052513
71151526
oct437175
9243660
10147069
11a054a
1271139
1351c30
143b84d
152d899
hex23e7d

147069 has 16 divisors (see below), whose sum is σ = 235200. Its totient is φ = 90288.

The previous prime is 147047. The next prime is 147073. The reversal of 147069 is 960741.

It is not a de Polignac number, because 147069 - 27 = 146941 is a prime.

It is a super-2 number, since 2×1470692 = 43258581522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142 + ... + 560.

It is an arithmetic number, because the mean of its divisors is an integer number (14700).

2147069 is an apocalyptic number.

It is an amenable number.

147069 is a deficient number, since it is larger than the sum of its proper divisors (88131).

147069 is a wasteful number, since it uses less digits than its factorization.

147069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 147069 is about 383.4957626885. The cubic root of 147069 is about 52.7845771070.

The spelling of 147069 in words is "one hundred forty-seven thousand, sixty-nine".

Divisors: 1 3 9 13 27 39 117 351 419 1257 3771 5447 11313 16341 49023 147069