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193090132 = 2261212973
BaseRepresentation
bin10111000001001…
…01001001010100
3111110022222212101
423200211021110
5343412341012
631054331444
74533144664
oct1340451124
9443288771
10193090132
1199aa3524
12547b9b84
1331008121
141b9041a4
1511e41d57
hexb825254

193090132 has 18 divisors (see below), whose sum is σ = 343564494. Its totient is φ = 94955040.

The previous prime is 193090123. The next prime is 193090133. The reversal of 193090132 is 231090391.

It can be written as a sum of positive squares in 3 ways, for example, as 56761156 + 136328976 = 7534^2 + 11676^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 193090132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193090133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8398 + ... + 21370.

Almost surely, 2193090132 is an apocalyptic number.

It is an amenable number.

193090132 is a deficient number, since it is larger than the sum of its proper divisors (150474362).

193090132 is a wasteful number, since it uses less digits than its factorization.

193090132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13099 (or 13036 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 193090132 is about 13895.6875324685. The cubic root of 193090132 is about 577.9896032261.

The spelling of 193090132 in words is "one hundred ninety-three million, ninety thousand, one hundred thirty-two".

Divisors: 1 2 4 61 122 244 3721 7442 12973 14884 25946 51892 791353 1582706 3165412 48272533 96545066 193090132