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142701312 = 2831314293
BaseRepresentation
bin10001000000101…
…11001100000000
3100221111222101210
420200113030000
5243012420222
622054330120
73351640545
oct1040271400
9327458353
10142701312
1173607676
123b959940
1323744a60
1414d48bcc
15c7dbd0c
hex8817300

142701312 has 72 divisors (see below), whose sum is σ = 409037104. Its totient is φ = 43905024.

The previous prime is 142701311. The next prime is 142701329. The reversal of 142701312 is 213107241.

It is not an unprimeable number, because it can be changed into a prime (142701311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2838 + ... + 17130.

Almost surely, 2142701312 is an apocalyptic number.

142701312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142701312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204518552).

142701312 is an abundant number, since it is smaller than the sum of its proper divisors (266335792).

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

142701312 is a wasteful number, since it uses less digits than its factorization.

142701312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14325 (or 14311 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 142701312 is about 11945.7654421975. The cubic root of 142701312 is about 522.5678118378.

Adding to 142701312 its reverse (213107241), we get a palindrome (355808553).

The spelling of 142701312 in words is "one hundred forty-two million, seven hundred one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 624 768 832 1248 1664 2496 3328 4992 9984 14293 28586 42879 57172 85758 114344 171516 185809 228688 343032 371618 457376 557427 686064 743236 914752 1114854 1372128 1486472 1829504 2229708 2744256 2972944 3659008 4459416 5488512 5945888 8918832 10977024 11891776 17837664 23783552 35675328 47567104 71350656 142701312