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39074070 = 23572191399
BaseRepresentation
bin1001010100001…
…1100100010110
32201112011112210
42111003210112
540000332240
63513254250
7653060400
oct225034426
981464483
1039074070
1120068a22
1211104386
138131269
145291b70
15366c780
hex2543916

39074070 has 96 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 8455104.

The previous prime is 39074047. The next prime is 39074071. The reversal of 39074070 is 7047093.

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 (39074071) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 27231 + ... + 28629.

It is an arithmetic number, because the mean of its divisors is an integer number (1197000).

Almost surely, 239074070 is an apocalyptic number.

39074070 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 39074070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456000).

39074070 is an abundant number, since it is smaller than the sum of its proper divisors (75837930).

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

39074070 is a wasteful number, since it uses less digits than its factorization.

39074070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 39074070 is about 6250.9255314713. The cubic root of 39074070 is about 339.3356983001.

The spelling of 39074070 in words is "thirty-nine million, seventy-four thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 95 98 105 114 133 147 190 210 245 266 285 294 399 490 570 665 735 798 931 1330 1399 1470 1862 1995 2793 2798 3990 4197 4655 5586 6995 8394 9310 9793 13965 13990 19586 20985 26581 27930 29379 41970 48965 53162 58758 68551 79743 97930 132905 137102 146895 159486 186067 205653 265810 293790 342755 372134 398715 411306 558201 685510 797430 930335 1028265 1116402 1302469 1860670 2056530 2604938 2791005 3907407 5582010 6512345 7814814 13024690 19537035 39074070