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300132040 = 23513577177
BaseRepresentation
bin10001111000111…
…010011011001000
3202220202021202111
4101320322123020
51103313211130
645440512104
710303036345
oct2170723310
9686667674
10300132040
1114446470a
128461b634
134a245c30
142bc097cc
151b53802a
hex11e3a6c8

300132040 has 32 divisors (see below), whose sum is σ = 727244280. Its totient is φ = 110817792.

The previous prime is 300132031. The next prime is 300132047. The reversal of 300132040 is 40231003.

It can be written as a sum of positive squares in 4 ways, for example, as 87497316 + 212634724 = 9354^2 + 14582^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 300132040.

It is not an unprimeable number, because it can be changed into a prime (300132047) 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, 288069 + ... + 289108.

Almost surely, 2300132040 is an apocalyptic number.

It is an amenable number.

300132040 is an abundant number, since it is smaller than the sum of its proper divisors (427112240).

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

300132040 is a wasteful number, since it uses less digits than its factorization.

300132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577201 (or 577197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 300132040 is about 17324.3193228479. The cubic root of 300132040 is about 669.5311489286.

Adding to 300132040 its reverse (40231003), we get a palindrome (340363043).

The spelling of 300132040 in words is "three hundred million, one hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 577177 1154354 2308708 2885885 4617416 5771770 7503301 11543540 15006602 23087080 30013204 37516505 60026408 75033010 150066020 300132040