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133052090 = 2513305209
BaseRepresentation
bin1111110111000…
…11011010111010
3100021100202011012
413323203122322
5233030131330
621111433522
73203631653
oct773433272
9307322135
10133052090
1169117006
12386858a2
1321746a62
141395652a
15ba32c95
hex7ee36ba

133052090 has 8 divisors (see below), whose sum is σ = 239493780. Its totient is φ = 53220832.

The previous prime is 133052089. The next prime is 133052099. The reversal of 133052090 is 90250331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131492089 + 1560001 = 11467^2 + 1249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (133052099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6652595 + ... + 6652614.

Almost surely, 2133052090 is an apocalyptic number.

133052090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133052090 is a deficient number, since it is larger than the sum of its proper divisors (106441690).

133052090 is a wasteful number, since it uses less digits than its factorization.

133052090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305216.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 133052090 is about 11534.8207615030. The cubic root of 133052090 is about 510.5135030449.

The spelling of 133052090 in words is "one hundred thirty-three million, fifty-two thousand, ninety".

Divisors: 1 2 5 10 13305209 26610418 66526045 133052090