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34432740 = 22325233821
BaseRepresentation
bin1000001101011…
…0011011100100
32101210100211200
42003112123210
532303321430
63230002500
7565446666
oct203263344
971710750
1034432740
1118488911
12b646430
137197804
144804536
153052460
hex20d66e4

34432740 has 72 divisors (see below), whose sum is σ = 105022008. Its totient is φ = 9131520.

The previous prime is 34432733. The next prime is 34432753. The reversal of 34432740 is 4723443.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 34363044 = 264^2 + 5862^2 .

It is a super-2 number, since 2×344327402 = 2371227167815200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41530 + ... + 42350.

It is an arithmetic number, because the mean of its divisors is an integer number (1458639).

Almost surely, 234432740 is an apocalyptic number.

34432740 is a gapful number since it is divisible by the number (30) 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 34432740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52511004).

34432740 is an abundant number, since it is smaller than the sum of its proper divisors (70589268).

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

34432740 is a wasteful number, since it uses less digits than its factorization.

34432740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 34432740 is about 5867.9417175020. The cubic root of 34432740 is about 325.3298111499.

The spelling of 34432740 in words is "thirty-four million, four hundred thirty-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 233 466 699 821 932 1165 1398 1642 2097 2330 2463 2796 3284 3495 4105 4194 4660 4926 6990 7389 8210 8388 9852 10485 12315 13980 14778 16420 20970 24630 29556 36945 41940 49260 73890 147780 191293 382586 573879 765172 956465 1147758 1721637 1912930 2295516 2869395 3443274 3825860 5738790 6886548 8608185 11477580 17216370 34432740