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147912 = 2336163
BaseRepresentation
bin100100000111001000
321111220020
4210013020
514213122
63100440
71154142
oct440710
9244806
10147912
11a1146
1271720
135242b
143bc92
152dc5c
hex241c8

147912 has 16 divisors (see below), whose sum is σ = 369840. Its totient is φ = 49296.

The previous prime is 147881. The next prime is 147919. The reversal of 147912 is 219741.

Added to its reverse (219741) it gives a triangular number (367653 = T857).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 6163 = 147912 / (1 + 4 + 7 + 9 + 1 + 2).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147912.

It is not an unprimeable number, because it can be changed into a prime (147919) by changing a digit.

147912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (23115).

2147912 is an apocalyptic number.

147912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147912 is an abundant number, since it is smaller than the sum of its proper divisors (221928).

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

147912 is a wasteful number, since it uses less digits than its factorization.

147912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6168 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 147912 is about 384.5932916732. The cubic root of 147912 is about 52.8852388110.

Adding to 147912 its reverse (219741), we get a triangular number (367653 = T857).

The spelling of 147912 in words is "one hundred forty-seven thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 6163 12326 18489 24652 36978 49304 73956 147912