Search a number
-
+
49990248 = 233271171127
BaseRepresentation
bin1011111010110…
…0101001101000
310111001202201200
42332230221220
5100244141443
64543244200
71144624110
oct276545150
9114052650
1049990248
1126244460
12148a9660
13a483b39
1468d4040
1545c6dd3
hex2faca68

49990248 has 192 divisors, whose sum is σ = 172523520. Its totient is φ = 12700800.

The previous prime is 49990223. The next prime is 49990249. The reversal of 49990248 is 84209994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49990249) 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, 393561 + ... + 393687.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 249990248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49990248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86261760).

49990248 is an abundant number, since it is smaller than the sum of its proper divisors (122533272).

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

49990248 is a wasteful number, since it uses less digits than its factorization.

49990248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 49990248 is about 7070.3782077057. The cubic root of 49990248 is about 368.3791971899.

The spelling of 49990248 in words is "forty-nine million, nine hundred ninety thousand, two hundred forty-eight".