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49799448 = 23368539
BaseRepresentation
bin1011110111111…
…0000100011000
310110201002000000
42331332010120
5100222040243
64535213000
71143200616
oct275760430
9113632000
1049799448
1126124076
1214817160
13a41803a
1468846b6
15458a5d3
hex2f7e118

49799448 has 56 divisors (see below), whose sum is σ = 140013300. Its totient is φ = 16597872.

The previous prime is 49799441. The next prime is 49799527. The reversal of 49799448 is 84499794.

It is a happy number.

It is a super-2 number, since 2×497994482 = 4959970042209408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 49799394 and 49799403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49799441) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1563 + ... + 10101.

Almost surely, 249799448 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 49799448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70006650).

49799448 is an abundant number, since it is smaller than the sum of its proper divisors (90213852).

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

49799448 is an equidigital number, since it uses as much as digits as its factorization.

49799448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563 (or 8544 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 49799448 is about 7056.8723950487. The cubic root of 49799448 is about 367.9099299100.

The spelling of 49799448 in words is "forty-nine million, seven hundred ninety-nine thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 729 972 1458 1944 2916 5832 8539 17078 25617 34156 51234 68312 76851 102468 153702 204936 230553 307404 461106 614808 691659 922212 1383318 1844424 2074977 2766636 4149954 5533272 6224931 8299908 12449862 16599816 24899724 49799448