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190043706 = 2331673951
BaseRepresentation
bin10110101001111…
…01011000111010
3111020121012221210
423110331120322
5342122344311
630505143550
74465226166
oct1324753072
9436535853
10190043706
1198302716
125378abb6
13304ac5c8
141b34dca6
1511a3e3a6
hexb53d63a

190043706 has 8 divisors (see below), whose sum is σ = 380087424. Its totient is φ = 63347900.

The previous prime is 190043677. The next prime is 190043717. The reversal of 190043706 is 607340091.

It is a happy number.

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

190043706 is an admirable number.

It is a super-2 number, since 2×1900437062 = 72233220380428872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15836970 + ... + 15836981.

It is an arithmetic number, because the mean of its divisors is an integer number (47510928).

Almost surely, 2190043706 is an apocalyptic number.

190043706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190043706 is a wasteful number, since it uses less digits than its factorization.

190043706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673956.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 190043706 is about 13785.6340441780. The cubic root of 190043706 is about 574.9337854440.

Adding to 190043706 its reverse (607340091), we get a palindrome (797383797).

The spelling of 190043706 in words is "one hundred ninety million, forty-three thousand, seven hundred six".

Divisors: 1 2 3 6 31673951 63347902 95021853 190043706