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70140750 = 2353412281
BaseRepresentation
bin1000010111001…
…00001101001110
311212222112000120
410023210031032
5120424001000
610543205410
71511120661
oct413441516
9155875016
1070140750
1136657869
121b5a6866
13116ba904
14945b6d8
1562576a0
hex42e434e

70140750 has 64 divisors (see below), whose sum is σ = 179419968. Its totient is φ = 18240000.

The previous prime is 70140743. The next prime is 70140751. The reversal of 70140750 is 5704107.

It is a self number, because there is not a number n which added to its sum of digits gives 70140750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70140751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29610 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (2803437).

Almost surely, 270140750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70140750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89709984).

70140750 is an abundant number, since it is smaller than the sum of its proper divisors (109279218).

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

70140750 is a wasteful number, since it uses less digits than its factorization.

70140750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70140750 is about 8375.0074626832. The cubic root of 70140750 is about 412.4045692923.

Adding to 70140750 its reverse (5704107), we get a palindrome (75844857).

The spelling of 70140750 in words is "seventy million, one hundred forty thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 125 150 205 246 250 375 410 615 750 1025 1230 2050 2281 3075 4562 5125 6150 6843 10250 11405 13686 15375 22810 30750 34215 57025 68430 93521 114050 171075 187042 280563 285125 342150 467605 561126 570250 855375 935210 1402815 1710750 2338025 2805630 4676050 7014075 11690125 14028150 23380250 35070375 70140750