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196481951 = 3744911827
BaseRepresentation
bin10111011011000…
…01001110011111
3111200201022120022
423231201032133
5400244410301
631255142355
74604032451
oct1355411637
9450638508
10196481951
11a09aa886
12559749bb
1331924c13
141c1482d1
15123b1d1b
hexbb6139f

196481951 has 8 divisors (see below), whose sum is σ = 202258800. Its totient is φ = 190729728.

The previous prime is 196481941. The next prime is 196481953. The reversal of 196481951 is 159184691.

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

It is a cyclic number.

It is not a de Polignac number, because 196481951 - 222 = 192287647 is a prime.

It is a super-5 number, since 5×1964819515 (a number of 43 digits) contains 55555 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 (196481953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10700 + ... + 22526.

It is an arithmetic number, because the mean of its divisors is an integer number (25282350).

Almost surely, 2196481951 is an apocalyptic number.

196481951 is a deficient number, since it is larger than the sum of its proper divisors (5776849).

196481951 is a wasteful number, since it uses less digits than its factorization.

196481951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313.

The product of its digits is 77760, while the sum is 44.

The square root of 196481951 is about 14017.2019675825. The cubic root of 196481951 is about 581.3542976058.

The spelling of 196481951 in words is "one hundred ninety-six million, four hundred eighty-one thousand, nine hundred fifty-one".

Divisors: 1 37 449 11827 16613 437599 5310323 196481951