Search a number
-
+
4952251990 = 257296074019
BaseRepresentation
bin1001001110010110…
…10101111001010110
3110210010112110121101
410213023111321112
540120234030430
62135223540314
7233502306310
oct44713257126
913703473541
104952251990
112111465244
12b625ba69a
1360bcb152a
1434d9d27b0
151deb73dca
hex1272d5e56

4952251990 has 64 divisors (see below), whose sum is σ = 10558771200. Its totient is φ = 1636258176.

The previous prime is 4952251981. The next prime is 4952252033. The reversal of 4952251990 is 991522594.

It is a self number, because there is not a number n which added to its sum of digits gives 4952251990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230201 + ... + 1234219.

It is an arithmetic number, because the mean of its divisors is an integer number (164980800).

Almost surely, 24952251990 is an apocalyptic number.

4952251990 is an abundant number, since it is smaller than the sum of its proper divisors (5606519210).

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

4952251990 is a wasteful number, since it uses less digits than its factorization.

4952251990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 4952251990 is about 70372.2387735391. The cubic root of 4952251990 is about 1704.5153308025.

The spelling of 4952251990 in words is "four billion, nine hundred fifty-two million, two hundred fifty-one thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 607 1015 1214 2030 3035 4019 4249 6070 8038 8498 17603 20095 21245 28133 35206 40190 42490 56266 88015 116551 123221 140665 176030 233102 246442 281330 582755 616105 815857 1165510 1232210 1631714 2439533 4079285 4879066 8158570 12197665 17076731 24395330 34153462 70746457 85383655 141492914 170767310 353732285 495225199 707464570 990450398 2476125995 4952251990