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133417470 = 2354447249
BaseRepresentation
bin1111111001111…
…00100111111110
3100022001022100210
413330330213332
5233123324340
621123333250
73210013134
oct774744776
9308038323
10133417470
116934657a
1238821226
1321844164
1413a0d754
15baa6180
hex7f3c9fe

133417470 has 16 divisors (see below), whose sum is σ = 320202000. Its totient is φ = 35577984.

The previous prime is 133417451. The next prime is 133417477. The reversal of 133417470 is 74714331.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4447249 = 133417470 / (1 + 3 + 3 + 4 + 1 + 7 + 4 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133417477) 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, 2223595 + ... + 2223654.

It is an arithmetic number, because the mean of its divisors is an integer number (20012625).

Almost surely, 2133417470 is an apocalyptic number.

133417470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133417470 is an abundant number, since it is smaller than the sum of its proper divisors (186784530).

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

133417470 is a wasteful number, since it uses less digits than its factorization.

133417470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447259.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 133417470 is about 11550.6480337685. The cubic root of 133417470 is about 510.9803902029.

The spelling of 133417470 in words is "one hundred thirty-three million, four hundred seventeen thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4447249 8894498 13341747 22236245 26683494 44472490 66708735 133417470