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70044750 = 235531153
BaseRepresentation
bin1000010110011…
…00110001001110
311212210122100000
410023030301032
5120412413000
610541145130
71510241046
oct413146116
9155718300
1070044750
11365a1726
121b55b1a6
1311685cc9
149434726
156239000
hex42ccc4e

70044750 has 96 divisors (see below), whose sum is σ = 196586208. Its totient is φ = 18662400.

The previous prime is 70044749. The next prime is 70044757. The reversal of 70044750 is 5744007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70044757) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60174 + ... + 61326.

It is an arithmetic number, because the mean of its divisors is an integer number (2047773).

Almost surely, 270044750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70044750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98293104).

70044750 is an abundant number, since it is smaller than the sum of its proper divisors (126541458).

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

70044750 is a wasteful number, since it uses less digits than its factorization.

70044750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 70044750 is about 8369.2741620764. The cubic root of 70044750 is about 412.2163339001.

Adding to 70044750 its reverse (5744007), we get a palindrome (75788757).

The spelling of 70044750 in words is "seventy million, forty-four thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 125 135 150 162 225 243 250 270 375 405 450 486 675 750 810 1125 1153 1215 1350 2025 2250 2306 2430 3375 3459 4050 5765 6075 6750 6918 10125 10377 11530 12150 17295 20250 20754 28825 30375 31131 34590 51885 57650 60750 62262 86475 93393 103770 144125 155655 172950 186786 259425 280179 288250 311310 432375 466965 518850 560358 778275 864750 933930 1297125 1400895 1556550 2334825 2594250 2801790 3891375 4669650 7004475 7782750 11674125 14008950 23348250 35022375 70044750