Search a number
-
+
142883401 = 19411491231
BaseRepresentation
bin10001000010000…
…11101001001001
3100221212020011211
420201003221021
5243034232101
622102253121
73353326453
oct1041035111
9327766154
10142883401
1173721461
123ba271a1
13237a98bb
1414d952d3
15c825c51
hex8843a49

142883401 has 16 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 131068800.

The previous prime is 142883399. The next prime is 142883417. The reversal of 142883401 is 104388241.

It is not a de Polignac number, because 142883401 - 21 = 142883399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142883491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115456 + ... + 116686.

It is an arithmetic number, because the mean of its divisors is an integer number (9702000).

Almost surely, 2142883401 is an apocalyptic number.

It is an amenable number.

142883401 is a deficient number, since it is larger than the sum of its proper divisors (12348599).

142883401 is a wasteful number, since it uses less digits than its factorization.

142883401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 142883401 is about 11953.3844997975. The cubic root of 142883401 is about 522.7899854699.

It can be divided in two parts, 14288 and 3401, that added together give a square (17689 = 1332).

The spelling of 142883401 in words is "one hundred forty-two million, eight hundred eighty-three thousand, four hundred one".

Divisors: 1 19 41 149 779 1231 2831 6109 23389 50471 116071 183419 958949 3484961 7520179 142883401