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195487042 = 2319130631
BaseRepresentation
bin10111010011011…
…10010101000010
3111121211202210211
423221232111002
5400021041132
631221544334
74562420032
oct1351562502
9447752724
10195487042
11a0390343
12555750aa
133166710a
141bd698c2
1512267147
hexba6e542

195487042 has 8 divisors (see below), whose sum is σ = 293332032. Its totient is φ = 97709700.

The previous prime is 195487037. The next prime is 195487043. The reversal of 195487042 is 240784591.

195487042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 195486986 and 195487004.

It is not an unprimeable number, because it can be changed into a prime (195487043) 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, 8934 + ... + 21697.

It is an arithmetic number, because the mean of its divisors is an integer number (36666504).

Almost surely, 2195487042 is an apocalyptic number.

195487042 is a deficient number, since it is larger than the sum of its proper divisors (97844990).

195487042 is a wasteful number, since it uses less digits than its factorization.

195487042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33824.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 195487042 is about 13981.6680692970. The cubic root of 195487042 is about 580.3713852119.

The spelling of 195487042 in words is "one hundred ninety-five million, four hundred eighty-seven thousand, forty-two".

Divisors: 1 2 3191 6382 30631 61262 97743521 195487042