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54434142 = 2327412257
BaseRepresentation
bin1100111110100…
…1100101011110
310210102112121100
43033221211132
5102413343032
65222413530
71230453060
oct317514536
9123375540
1054434142
11287aa1a4
12162912a6
13b37b769
14732d730
154ba397c
hex33e995e

54434142 has 72 divisors (see below), whose sum is σ = 138694608. Its totient is φ = 15114240.

The previous prime is 54434117. The next prime is 54434179. The reversal of 54434142 is 24143445.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211678 + ... + 211934.

It is an arithmetic number, because the mean of its divisors is an integer number (1926314).

Almost surely, 254434142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54434142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69347304).

54434142 is an abundant number, since it is smaller than the sum of its proper divisors (84260466).

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

54434142 is a wasteful number, since it uses less digits than its factorization.

54434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 310 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 54434142 is about 7377.9497151987. The cubic root of 54434142 is about 378.9865470031.

Adding to 54434142 its reverse (24143445), we get a palindrome (78577587).

The spelling of 54434142 in words is "fifty-four million, four hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 41 42 63 82 123 126 246 257 287 369 514 574 738 771 861 1542 1681 1722 1799 2313 2583 3362 3598 4626 5043 5166 5397 10086 10537 10794 11767 15129 16191 21074 23534 30258 31611 32382 35301 63222 70602 73759 94833 105903 147518 189666 211806 221277 432017 442554 663831 864034 1296051 1327662 2592102 3024119 3888153 6048238 7776306 9072357 18144714 27217071 54434142