Search a number
-
+
40012950 = 2352614373
BaseRepresentation
bin1001100010100…
…0110010010110
32210021212110010
42120220302112
540220403300
63545341050
7664050555
oct230506226
983255403
1040012950
112064a35a
1211497786
13839c703
145457d9c
1537a5a50
hex2628c96

40012950 has 48 divisors (see below), whose sum is σ = 100881936. Its totient is φ = 10492800.

The previous prime is 40012937. The next prime is 40012963. The reversal of 40012950 is 5921004.

It is an interprime number because it is at equal distance from previous prime (40012937) and next prime (40012963).

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 23 ways as a sum of consecutive naturals, for example, 6964 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (2101707).

Almost surely, 240012950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40012950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50440968).

40012950 is an abundant number, since it is smaller than the sum of its proper divisors (60868986).

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

40012950 is a wasteful number, since it uses less digits than its factorization.

40012950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 40012950 is about 6325.5790248799. The cubic root of 40012950 is about 342.0320923340.

Adding to 40012950 its reverse (5921004), we get a palindrome (45933954).

The spelling of 40012950 in words is "forty million, twelve thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 61 75 122 150 183 305 366 610 915 1525 1830 3050 4373 4575 8746 9150 13119 21865 26238 43730 65595 109325 131190 218650 266753 327975 533506 655950 800259 1333765 1600518 2667530 4001295 6668825 8002590 13337650 20006475 40012950