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48949992 = 233271331241
BaseRepresentation
bin1011101010111…
…0101011101000
310102002220202200
42322232223220
5100012344432
64505100200
71133032230
oct272565350
9112086680
1048949992
11256a3943
1214487660
13a1ab4c0
146702cc0
15446da7c
hex2eaeae8

48949992 has 192 divisors, whose sum is σ = 169128960. Its totient is φ = 12441600.

The previous prime is 48949981. The next prime is 48949993. The reversal of 48949992 is 29994984.

It is a super-2 number, since 2×489499922 = 4792203433600128, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48949993) 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, 202992 + ... + 203232.

It is an arithmetic number, because the mean of its divisors is an integer number (880880).

Almost surely, 248949992 is an apocalyptic number.

48949992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48949992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84564480).

48949992 is an abundant number, since it is smaller than the sum of its proper divisors (120178968).

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

48949992 is a wasteful number, since it uses less digits than its factorization.

48949992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 297 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 48949992 is about 6996.4270881644. The cubic root of 48949992 is about 365.8060425341.

The spelling of 48949992 in words is "forty-eight million, nine hundred forty-nine thousand, nine hundred ninety-two".