Search a number
-
+
142220410 = 2514222041
BaseRepresentation
bin10000111101000…
…01110001111010
3100220121112201121
420132201301322
5242402023120
622040135454
73344565523
oct1036416172
9326545647
10142220410
1173309332
123b76758a
1323606bb7
1414c6184a
15c7445aa
hex87a1c7a

142220410 has 8 divisors (see below), whose sum is σ = 255996756. Its totient is φ = 56888160.

The previous prime is 142220399. The next prime is 142220413. The reversal of 142220410 is 14022241.

142220410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128890609 + 13329801 = 11353^2 + 3651^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142220413) 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, 7111011 + ... + 7111030.

Almost surely, 2142220410 is an apocalyptic number.

142220410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142220410 is a deficient number, since it is larger than the sum of its proper divisors (113776346).

142220410 is a wasteful number, since it uses less digits than its factorization.

142220410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14222048.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142220410 is about 11925.6199000304. The cubic root of 142220410 is about 521.9801350808.

Adding to 142220410 its reverse (14022241), we get a palindrome (156242651).

The spelling of 142220410 in words is "one hundred forty-two million, two hundred twenty thousand, four hundred ten".

Divisors: 1 2 5 10 14222041 28444082 71110205 142220410