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42343253400 = 23352731325217
BaseRepresentation
bin100111011011110110…
…101100010110011000
311001021222022010212110
4213123312230112120
51143204333102100
631241402512320
73026206500240
oct473366542630
9131258263773
1042343253400
1116a59731aa8
1282588056a0
133cba690036
142099898b20
15117c59e250
hex9dbdac598

42343253400 has 192 divisors, whose sum is σ = 154855802880. Its totient is φ = 9366220800.

The previous prime is 42343253363. The next prime is 42343253401. The reversal of 42343253400 is 435234324.

It is a super-2 number, since 2×423432534002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343253401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32409 + ... + 292808.

It is an arithmetic number, because the mean of its divisors is an integer number (806540640).

Almost surely, 242343253400 is an apocalyptic number.

42343253400 is a gapful number since it is divisible by the number (40) 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 42343253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77427901440).

42343253400 is an abundant number, since it is smaller than the sum of its proper divisors (112512549480).

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

42343253400 is a wasteful number, since it uses less digits than its factorization.

42343253400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325274 (or 325265 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 42343253400 its reverse (435234324), we get a palindrome (42778487724).

The spelling of 42343253400 in words is "forty-two billion, three hundred forty-three million, two hundred fifty-three thousand, four hundred".