Search a number
-
+
142098351 = 347366117
BaseRepresentation
bin10000111100000…
…11111110101111
3100220101100021220
420132003332233
5242334121401
622033354423
73343546623
oct1036037657
9326340256
10142098351
117323565a
123b708a13
1323593485
1414c2d183
15c71d336
hex8783faf

142098351 has 4 divisors (see below), whose sum is σ = 189464472. Its totient is φ = 94732232.

The previous prime is 142098349. The next prime is 142098371. The reversal of 142098351 is 153890241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153890241 = 351296747.

It is a cyclic number.

It is not a de Polignac number, because 142098351 - 21 = 142098349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142098311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23683056 + ... + 23683061.

It is an arithmetic number, because the mean of its divisors is an integer number (47366118).

Almost surely, 2142098351 is an apocalyptic number.

142098351 is a deficient number, since it is larger than the sum of its proper divisors (47366121).

142098351 is an equidigital number, since it uses as much as digits as its factorization.

142098351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47366120.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 142098351 is about 11920.5012897948. The cubic root of 142098351 is about 521.8307645631.

The spelling of 142098351 in words is "one hundred forty-two million, ninety-eight thousand, three hundred fifty-one".

Divisors: 1 3 47366117 142098351