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196425073 = 1315109621
BaseRepresentation
bin10111011010100…
…11010101110001
3111200121102112201
423231103111301
5400241100243
631254023201
74603404565
oct1355232561
9450542481
10196425073
11a0971079
1255947b01
1331905070
141c1316a5
15123a004d
hexbb53571

196425073 has 4 divisors (see below), whose sum is σ = 211534708. Its totient is φ = 181315440.

The previous prime is 196425067. The next prime is 196425077. The reversal of 196425073 is 370524691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370524691 = 548367577.

It can be written as a sum of positive squares in 2 ways, for example, as 115928289 + 80496784 = 10767^2 + 8972^2 .

It is a cyclic number.

It is not a de Polignac number, because 196425073 - 213 = 196416881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196425077) 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, 7554798 + ... + 7554823.

It is an arithmetic number, because the mean of its divisors is an integer number (52883677).

Almost surely, 2196425073 is an apocalyptic number.

196425073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

196425073 is a deficient number, since it is larger than the sum of its proper divisors (15109635).

196425073 is a wasteful number, since it uses less digits than its factorization.

196425073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15109634.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 196425073 is about 14015.1729564783. The cubic root of 196425073 is about 581.2981949786.

The spelling of 196425073 in words is "one hundred ninety-six million, four hundred twenty-five thousand, seventy-three".

Divisors: 1 13 15109621 196425073