Search a number
-
+
143936741 = 1318316047
BaseRepresentation
bin10001001010001…
…00110011100101
3101000211202002102
420211010303211
5243321433431
622141021445
73365304434
oct1045046345
9330752072
10143936741
1174280893
1240254885
1323a88190
141518b11b
15c982dcb
hex8944ce5

143936741 has 8 divisors (see below), whose sum is σ = 155119104. Its totient is φ = 132770160.

The previous prime is 143936731. The next prime is 143936743. The reversal of 143936741 is 147639341.

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 143936741 - 26 = 143936677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143936695 and 143936704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143936743) 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, 20780 + ... + 26826.

It is an arithmetic number, because the mean of its divisors is an integer number (19389888).

Almost surely, 2143936741 is an apocalyptic number.

It is an amenable number.

143936741 is a deficient number, since it is larger than the sum of its proper divisors (11182363).

143936741 is a wasteful number, since it uses less digits than its factorization.

143936741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891.

The product of its digits is 54432, while the sum is 38.

The square root of 143936741 is about 11997.3639187948. The cubic root of 143936741 is about 524.0715150630.

The spelling of 143936741 in words is "one hundred forty-three million, nine hundred thirty-six thousand, seven hundred forty-one".

Divisors: 1 13 1831 6047 23803 78611 11072057 143936741