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133470 = 23251483
BaseRepresentation
bin100000100101011110
320210002100
4200211132
513232340
62505530
71064061
oct404536
9223070
10133470
1191307
12652a6
134899c
14368d8
1529830
hex2095e

133470 has 24 divisors (see below), whose sum is σ = 347256. Its totient is φ = 35568.

The previous prime is 133451. The next prime is 133481. The reversal of 133470 is 74331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

133470 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 11 ways as a sum of consecutive naturals, for example, 652 + ... + 831.

It is an arithmetic number, because the mean of its divisors is an integer number (14469).

2133470 is an apocalyptic number.

133470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133470 is an abundant number, since it is smaller than the sum of its proper divisors (213786).

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

133470 is a wasteful number, since it uses less digits than its factorization.

133470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 133470 is about 365.3354622809. The cubic root of 133470 is about 51.1047443585.

The spelling of 133470 in words is "one hundred thirty-three thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1483 2966 4449 7415 8898 13347 14830 22245 26694 44490 66735 133470