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192542074 = 2613157049
BaseRepresentation
bin10110111100111…
…11010101111010
3111102022011001221
423132133111322
5343242321244
631034502254
74525403104
oct1336372572
9442264057
10192542074
119975978a
125459498a
1330b7582a
141b800574
1511d84784
hexb79f57a

192542074 has 8 divisors (see below), whose sum is σ = 289286100. Its totient is φ = 96113376.

The previous prime is 192542071. The next prime is 192542101. The reversal of 192542074 is 470245291.

It can be written as a sum of positive squares in 2 ways, for example, as 192016449 + 525625 = 13857^2 + 725^2 .

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 (192542071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77299 + ... + 79750.

Almost surely, 2192542074 is an apocalyptic number.

192542074 is a deficient number, since it is larger than the sum of its proper divisors (96744026).

192542074 is a wasteful number, since it uses less digits than its factorization.

192542074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157664.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 192542074 is about 13875.9530843831. The cubic root of 192542074 is about 577.4422388086.

The spelling of 192542074 in words is "one hundred ninety-two million, five hundred forty-two thousand, seventy-four".

Divisors: 1 2 613 1226 157049 314098 96271037 192542074