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34431144 = 23311413181
BaseRepresentation
bin1000001101011…
…0000010101000
32101210021122120
42003112002220
532303244034
63225551240
7565442226
oct203260250
971707576
1034431144
11184876a0
12b645520
137196b77
144803b16
153051c49
hex20d60a8

34431144 has 64 divisors (see below), whose sum is σ = 96223680. Its totient is φ = 10176000.

The previous prime is 34431101. The next prime is 34431151. The reversal of 34431144 is 44113443.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9234 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (1503495).

Almost surely, 234431144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34431144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48111840).

34431144 is an abundant number, since it is smaller than the sum of its proper divisors (61792536).

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

34431144 is a wasteful number, since it uses less digits than its factorization.

34431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242 (or 3238 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 34431144 is about 5867.8057227553. The cubic root of 34431144 is about 325.3247845928.

Adding to 34431144 its reverse (44113443), we get a palindrome (78544587).

The spelling of 34431144 in words is "thirty-four million, four hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 41 44 66 82 88 123 132 164 246 264 328 451 492 902 984 1353 1804 2706 3181 3608 5412 6362 9543 10824 12724 19086 25448 34991 38172 69982 76344 104973 130421 139964 209946 260842 279928 391263 419892 521684 782526 839784 1043368 1434631 1565052 2869262 3130104 4303893 5738524 8607786 11477048 17215572 34431144