Search a number
-
+
142703706 = 2323783951
BaseRepresentation
bin10001000000101…
…11110001011010
3100221112002200110
420200113301122
5243013004311
622054345150
73351650535
oct1040276132
9327462613
10142703706
1173609452
123b95b1b6
1323745b82
1414d49a1c
15c7dc8a6
hex8817c5a

142703706 has 8 divisors (see below), whose sum is σ = 285407424. Its totient is φ = 47567900.

The previous prime is 142703689. The next prime is 142703747. The reversal of 142703706 is 607307241.

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

142703706 is an admirable number.

It is a super-2 number, since 2×1427037062 = 40728695412268872, 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, 11891970 + ... + 11891981.

It is an arithmetic number, because the mean of its divisors is an integer number (35675928).

Almost surely, 2142703706 is an apocalyptic number.

142703706 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.

142703706 is a wasteful number, since it uses less digits than its factorization.

142703706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23783956.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 142703706 is about 11945.8656446488. The cubic root of 142703706 is about 522.5707340729.

The spelling of 142703706 in words is "one hundred forty-two million, seven hundred three thousand, seven hundred six".

Divisors: 1 2 3 6 23783951 47567902 71351853 142703706