Search a number
-
+
142870414 = 21729144899
BaseRepresentation
bin10001000010000…
…00011110001110
3100221211120100211
420201000132032
5243033323124
622102113034
73353243551
oct1041003616
9327746324
10142870414
1173712725
123ba1b77a
13237a3a0b
1414d90698
15c821e94
hex884078e

142870414 has 16 divisors (see below), whose sum is σ = 234738000. Its totient is φ = 64914304.

The previous prime is 142870391. The next prime is 142870423. The reversal of 142870414 is 414078241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71464 + ... + 73435.

It is an arithmetic number, because the mean of its divisors is an integer number (14671125).

Almost surely, 2142870414 is an apocalyptic number.

142870414 is a deficient number, since it is larger than the sum of its proper divisors (91867586).

142870414 is a wasteful number, since it uses less digits than its factorization.

142870414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144947.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 142870414 is about 11952.8412521877. The cubic root of 142870414 is about 522.7741457964.

The spelling of 142870414 in words is "one hundred forty-two million, eight hundred seventy thousand, four hundred fourteen".

Divisors: 1 2 17 29 34 58 493 986 144899 289798 2463283 4202071 4926566 8404142 71435207 142870414