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196075949 = 571734297
BaseRepresentation
bin10111010111111…
…10000110101101
3111122221200122012
423223332012231
5400143412244
631242331005
74600421666
oct1353760655
9448850565
10196075949
11a0752843
12557b9a65
1331812194
141c08036d
151233189e
hexbafe1ad

196075949 has 4 divisors (see below), whose sum is σ = 196115964. Its totient is φ = 196035936.

The previous prime is 196075937. The next prime is 196075973. The reversal of 196075949 is 949570691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949570691 = 2383398477.

It can be written as a sum of positive squares in 2 ways, for example, as 156700324 + 39375625 = 12518^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 196075949 - 212 = 196071853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196075897 and 196075906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196075049) 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, 11432 + ... + 22865.

It is an arithmetic number, because the mean of its divisors is an integer number (49028991).

Almost surely, 2196075949 is an apocalyptic number.

It is an amenable number.

196075949 is a deficient number, since it is larger than the sum of its proper divisors (40015).

196075949 is an equidigital number, since it uses as much as digits as its factorization.

196075949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 196075949 is about 14002.7122015701. The cubic root of 196075949 is about 580.9535928285.

The spelling of 196075949 in words is "one hundred ninety-six million, seventy-five thousand, nine hundred forty-nine".

Divisors: 1 5717 34297 196075949