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134312444 = 227171914851
BaseRepresentation
bin10000000000101…
…11000111111100
3100100201210000222
420000113013330
5233340444234
621154440512
73220431320
oct1000270774
9310653028
10134312444
11698a7a22
1238b93138
1321a98626
1413ba3980
15bbd142e
hex80171fc

134312444 has 48 divisors (see below), whose sum is σ = 299416320. Its totient is φ = 51321600.

The previous prime is 134312443. The next prime is 134312449. The reversal of 134312444 is 444213431.

It is a super-2 number, since 2×1343124442 = 36079665226506272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312443) 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, 1619 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (6237840).

Almost surely, 2134312444 is an apocalyptic number.

134312444 is a gapful number since it is divisible by the number (14) 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 134312444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149708160).

134312444 is an abundant number, since it is smaller than the sum of its proper divisors (165103876).

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

134312444 is a wasteful number, since it uses less digits than its factorization.

134312444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898 (or 14896 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 134312444 is about 11589.3245704830. The cubic root of 134312444 is about 512.1204093027.

Adding to 134312444 its reverse (444213431), we get a palindrome (578525875).

The spelling of 134312444 in words is "one hundred thirty-four million, three hundred twelve thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 17 19 28 34 38 68 76 119 133 238 266 323 476 532 646 1292 2261 4522 9044 14851 29702 59404 103957 207914 252467 282169 415828 504934 564338 1009868 1128676 1767269 1975183 3534538 3950366 4796873 7069076 7900732 9593746 19187492 33578111 67156222 134312444