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142431412 = 222910112157
BaseRepresentation
bin10000111110101…
…01010010110100
3100221000021011111
420133111102310
5242430301122
622044444404
73346434634
oct1037252264
9327007144
10142431412
1173442912
123b849704
132367bc56
1414cb86c4
15c786d77
hex87d54b4

142431412 has 24 divisors (see below), whose sum is σ = 260424360. Its totient is φ = 68073600.

The previous prime is 142431409. The next prime is 142431427. The reversal of 142431412 is 214134241.

It is a happy number.

142431412 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 4 ways, for example, as 23097636 + 119333776 = 4806^2 + 10924^2 .

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, 5638 + ... + 17794.

It is an arithmetic number, because the mean of its divisors is an integer number (10851015).

Almost surely, 2142431412 is an apocalyptic number.

It is an amenable number.

142431412 is a deficient number, since it is larger than the sum of its proper divisors (117992948).

142431412 is a wasteful number, since it uses less digits than its factorization.

142431412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291 (or 12289 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 142431412 is about 11934.4632053562. The cubic root of 142431412 is about 522.2381487489.

Adding to 142431412 its reverse (214134241), we get a palindrome (356565653).

The spelling of 142431412 in words is "one hundred forty-two million, four hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 29 58 101 116 202 404 2929 5858 11716 12157 24314 48628 352553 705106 1227857 1410212 2455714 4911428 35607853 71215706 142431412