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190292093 = 732606741
BaseRepresentation
bin10110101011110…
…10000001111101
3111021001211200022
423111322001331
5342203321333
630514341525
74500312305
oct1325720175
9437054608
10190292093
11984622a2
125388a8a5
1330568694
141b3b6605
1511a8cc98
hexb57a07d

190292093 has 4 divisors (see below), whose sum is σ = 192898908. Its totient is φ = 187685280.

The previous prime is 190292083. The next prime is 190292099. The reversal of 190292093 is 390292091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156675289 + 33616804 = 12517^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 190292093 - 24 = 190292077 is a prime.

It is a super-2 number, since 2×1902920932 = 72422161316641298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190292099) 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, 1303298 + ... + 1303443.

It is an arithmetic number, because the mean of its divisors is an integer number (48224727).

Almost surely, 2190292093 is an apocalyptic number.

It is an amenable number.

190292093 is a deficient number, since it is larger than the sum of its proper divisors (2606815).

190292093 is an equidigital number, since it uses as much as digits as its factorization.

190292093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606814.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 190292093 is about 13794.6400098009. The cubic root of 190292093 is about 575.1841557588.

The spelling of 190292093 in words is "one hundred ninety million, two hundred ninety-two thousand, ninety-three".

Divisors: 1 73 2606741 190292093