Search a number
-
+
48999951 = 3373111337
BaseRepresentation
bin1011101011101…
…0111000001111
310102012110022000
42322322320033
5100020444301
64510123343
71133331000
oct272727017
9112173260
1048999951
1125728430
12144b0553
13a1c8170
1467171a7
15447d786
hex2ebae0f

48999951 has 128 divisors (see below), whose sum is σ = 102144000. Its totient is φ = 22861440.

The previous prime is 48999893. The next prime is 48999983. The reversal of 48999951 is 15999984.

It is not a de Polignac number, because 48999951 - 26 = 48999887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48999451) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1324305 + ... + 1324341.

It is an arithmetic number, because the mean of its divisors is an integer number (798000).

Almost surely, 248999951 is an apocalyptic number.

48999951 is an abundant number, since it is smaller than the sum of its proper divisors (53144049).

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

48999951 is a wasteful number, since it uses less digits than its factorization.

48999951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 48999951 is about 6999.9964999991. The cubic root of 48999951 is about 365.9304490254.

Multiplying 48999951 by its reverse (15999984), we get a square (783998432000784 = 279999722).

It can be divided in two parts, 48 and 999951, that added together give a palindrome (999999).

The spelling of 48999951 in words is "forty-eight million, nine hundred ninety-nine thousand, nine hundred fifty-one".

Divisors: 1 3 7 9 11 13 21 27 33 37 39 49 63 77 91 99 111 117 143 147 189 231 259 273 297 333 343 351 407 429 441 481 539 637 693 777 819 999 1001 1029 1221 1287 1323 1443 1617 1813 1911 2079 2331 2457 2849 3003 3087 3367 3663 3773 3861 4329 4459 4851 5291 5439 5733 6993 7007 8547 9009 9261 10101 10989 11319 12691 12987 13377 14553 15873 16317 17199 19943 21021 23569 25641 27027 30303 33957 37037 38073 40131 47619 48951 49049 59829 63063 70707 76923 90909 101871 111111 114219 120393 139601 142857 147147 164983 179487 189189 212121 259259 333333 342657 418803 441441 494949 538461 636363 777777 999999 1256409 1324323 1484847 1814813 2333331 3769227 4454541 5444439 6999993 16333317 48999951