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142888344 = 23312374813
BaseRepresentation
bin10001000010001…
…00110110011000
3100221212110221220
420201010312120
5243034411334
622102332040
73353350044
oct1041046630
9327773856
10142888344
1173725145
123ba2a020
13237abc21
1414d97024
15c827449
hex8844d98

142888344 has 32 divisors (see below), whose sum is σ = 357583920. Its totient is φ = 47581056.

The previous prime is 142888313. The next prime is 142888357. The reversal of 142888344 is 443888241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142888296 and 142888305.

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, 27282 + ... + 32094.

Almost surely, 2142888344 is an apocalyptic number.

It is an amenable number.

142888344 is an abundant number, since it is smaller than the sum of its proper divisors (214695576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142888344 is a wasteful number, since it uses less digits than its factorization.

142888344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059 (or 6055 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 142888344 is about 11953.5912595337. The cubic root of 142888344 is about 522.7960139777.

The spelling of 142888344 in words is "one hundred forty-two million, eight hundred eighty-eight thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1237 2474 3711 4813 4948 7422 9626 9896 14439 14844 19252 28878 29688 38504 57756 115512 5953681 11907362 17861043 23814724 35722086 47629448 71444172 142888344