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3440070 = 234531137
BaseRepresentation
bin1101000111110111000110
320110202220000
431013313012
51340040240
6201422130
741145234
oct15076706
96422800
103440070
111a3a637
12119a946
13935a5a
14657954
1547e430
hex347dc6

3440070 has 80 divisors (see below), whose sum is σ = 9618048. Its totient is φ = 881280.

The previous prime is 3440053. The next prime is 3440077. The reversal of 3440070 is 700443.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25042 + ... + 25178.

Almost surely, 23440070 is an apocalyptic number.

3440070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4809024).

3440070 is an abundant number, since it is smaller than the sum of its proper divisors (6177978).

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

3440070 is a wasteful number, since it uses less digits than its factorization.

3440070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3440070 is about 1854.7425697385. The cubic root of 3440070 is about 150.9578702109.

It can be divided in two parts, 34 and 40070, that added together give a palindrome (40104).

The spelling of 3440070 in words is "three million, four hundred forty thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 81 90 93 135 137 155 162 186 270 274 279 310 405 411 465 558 685 810 822 837 930 1233 1370 1395 1674 2055 2466 2511 2790 3699 4110 4185 4247 5022 6165 7398 8370 8494 11097 12330 12555 12741 18495 21235 22194 25110 25482 36990 38223 42470 55485 63705 76446 110970 114669 127410 191115 229338 344007 382230 573345 688014 1146690 1720035 3440070