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49979448 = 23321136143
BaseRepresentation
bin1011111010101…
…0000000111000
310111001012220200
42332222000320
5100243320243
64543122200
71144550451
oct276520070
9114035820
1049979448
1126237332
12148a3360
13a47bc4c
1468d0128
1545c3ad3
hex2faa038

49979448 has 48 divisors (see below), whose sum is σ = 136581120. Its totient is φ = 16509696.

The previous prime is 49979417. The next prime is 49979467. The reversal of 49979448 is 84497994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49979394 and 49979403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5065 + ... + 11207.

It is an arithmetic number, because the mean of its divisors is an integer number (2845440).

Almost surely, 249979448 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 49979448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68290560).

49979448 is an abundant number, since it is smaller than the sum of its proper divisors (86601672).

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

49979448 is a wasteful number, since it uses less digits than its factorization.

49979448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6261 counting only the distinct ones).

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

The square root of 49979448 is about 7069.6144166425. The cubic root of 49979448 is about 368.3526668030.

The spelling of 49979448 in words is "forty-nine million, nine hundred seventy-nine thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 113 226 339 452 678 904 1017 1356 2034 2712 4068 6143 8136 12286 18429 24572 36858 49144 55287 73716 110574 147432 221148 442296 694159 1388318 2082477 2776636 4164954 5553272 6247431 8329908 12494862 16659816 24989724 49979448