Search a number
-
+
142952946 = 2323825491
BaseRepresentation
bin10001000010101…
…00100111110010
3100221222202120120
420201110213302
5243043443241
622103551110
73354036303
oct1041244762
9327882516
10142952946
1173769734
123ba5b496
1323802456
1414db27aa
15c83b666
hex88549f2

142952946 has 8 divisors (see below), whose sum is σ = 285905904. Its totient is φ = 47650980.

The previous prime is 142952939. The next prime is 142952947. The reversal of 142952946 is 649259241.

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

142952946 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 142952898 and 142952907.

It is not an unprimeable number, because it can be changed into a prime (142952947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11912740 + ... + 11912751.

It is an arithmetic number, because the mean of its divisors is an integer number (35738238).

Almost surely, 2142952946 is an apocalyptic number.

142952946 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.

142952946 is a wasteful number, since it uses less digits than its factorization.

142952946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23825496.

The product of its digits is 155520, while the sum is 42.

The square root of 142952946 is about 11956.2931546529. The cubic root of 142952946 is about 522.8747901246.

The spelling of 142952946 in words is "one hundred forty-two million, nine hundred fifty-two thousand, nine hundred forty-six".

Divisors: 1 2 3 6 23825491 47650982 71476473 142952946