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133401160 = 23529115001
BaseRepresentation
bin1111111001110…
…00101001001000
3100022000110222201
413330320221020
5233122314120
621123125544
73206614444
oct774705110
9308013881
10133401160
11693352a2
12388138b4
13218398c9
1413a07824
15baa140a
hex7f38a48

133401160 has 32 divisors (see below), whose sum is σ = 310505400. Its totient is φ = 51520000.

The previous prime is 133401143. The next prime is 133401187. The reversal of 133401160 is 61104331.

It can be written as a sum of positive squares in 4 ways, for example, as 96943716 + 36457444 = 9846^2 + 6038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56341 + ... + 58660.

Almost surely, 2133401160 is an apocalyptic number.

133401160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133401160 is an abundant number, since it is smaller than the sum of its proper divisors (177104240).

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

133401160 is a wasteful number, since it uses less digits than its factorization.

133401160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115041 (or 115037 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 133401160 is about 11549.9419911963. The cubic root of 133401160 is about 510.9595672682.

Adding to 133401160 its reverse (61104331), we get a palindrome (194505491).

The spelling of 133401160 in words is "one hundred thirty-three million, four hundred one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 115001 230002 460004 575005 920008 1150010 2300020 3335029 4600040 6670058 13340116 16675145 26680232 33350290 66700580 133401160