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196890043 = 751795431
BaseRepresentation
bin10111011110001…
…00110110111011
3111201111001100211
423233010312323
5400400440133
631312011551
74610352310
oct1357046673
9451431324
10196890043
11a1159449
1255b30bb7
1331a388ac
141c212d07
1512442bcd
hexbbc4dbb

196890043 has 8 divisors (see below), whose sum is σ = 225102080. Its totient is φ = 168699240.

The previous prime is 196890037. The next prime is 196890047. The reversal of 196890043 is 340098691.

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 196890043 - 213 = 196881851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196889978 and 196890005.

It is not an unprimeable number, because it can be changed into a prime (196890047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33538 + ... + 38968.

It is an arithmetic number, because the mean of its divisors is an integer number (28137760).

Almost surely, 2196890043 is an apocalyptic number.

196890043 is a deficient number, since it is larger than the sum of its proper divisors (28212037).

196890043 is an equidigital number, since it uses as much as digits as its factorization.

196890043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 196890043 is about 14031.7512449444. The cubic root of 196890043 is about 581.7565092307.

The spelling of 196890043 in words is "one hundred ninety-six million, eight hundred ninety thousand, forty-three".

Divisors: 1 7 5179 5431 36253 38017 28127149 196890043