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4250070 = 23651153
BaseRepresentation
bin10000001101100111010110
321222221000000
4100031213112
52042000240
6231032130
751060606
oct20154726
97887000
104250070
112443160
12150b646
13b5a646
147c8c06
1558e430
hex40d9d6

4250070 has 112 divisors (see below), whose sum is σ = 12748752. Its totient is φ = 1010880.

The previous prime is 4250063. The next prime is 4250083. The reversal of 4250070 is 700524.

It is a happy number.

4250070 is a nontrivial binomial coefficient, being equal to C(2916, 2).

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 80164 + ... + 80216.

Almost surely, 24250070 is an apocalyptic number.

4250070 is the 2915-th triangular number and also the 1458-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4250070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6374376).

4250070 is an abundant number, since it is smaller than the sum of its proper divisors (8498682).

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

4250070 is a wasteful number, since it uses less digits than its factorization.

4250070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 4250070 is about 2061.5697902327. The cubic root of 4250070 is about 161.9814793642.

Adding to 4250070 its reverse (700524), we get a palindrome (4950594).

The spelling of 4250070 in words is "four million, two hundred fifty thousand, seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 53 54 55 66 81 90 99 106 110 135 159 162 165 198 243 265 270 297 318 330 405 477 486 495 530 583 594 729 795 810 891 954 990 1166 1215 1431 1458 1485 1590 1749 1782 2385 2430 2673 2862 2915 2970 3498 3645 4293 4455 4770 5247 5346 5830 7155 7290 8019 8586 8745 8910 10494 12879 13365 14310 15741 16038 17490 21465 25758 26235 26730 31482 38637 40095 42930 47223 52470 64395 77274 78705 80190 94446 128790 141669 157410 193185 236115 283338 386370 425007 472230 708345 850014 1416690 2125035 4250070