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49908404 = 22713253199
BaseRepresentation
bin1011111001100…
…0101010110100
310110220121110102
42332120222310
5100234032104
64541413232
71144133360
oct276305264
9113817412
1049908404
1126198a17
121486a218
13a455800
1468b22a0
1545aca1e
hex2f98ab4

49908404 has 72 divisors (see below), whose sum is σ = 110678400. Its totient is φ = 19274112.

The previous prime is 49908389. The next prime is 49908409. The reversal of 49908404 is 40480994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49908409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250697 + ... + 250895.

It is an arithmetic number, because the mean of its divisors is an integer number (1537200).

Almost surely, 249908404 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 49908404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55339200).

49908404 is an abundant number, since it is smaller than the sum of its proper divisors (60769996).

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

49908404 is a wasteful number, since it uses less digits than its factorization.

49908404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 49908404 is about 7064.5880276206. The cubic root of 49908404 is about 368.1780506540.

The spelling of 49908404 in words is "forty-nine million, nine hundred eight thousand, four hundred four".

Divisors: 1 2 4 7 13 14 26 28 52 53 91 106 169 182 199 212 338 364 371 398 676 689 742 796 1183 1378 1393 1484 2366 2587 2756 2786 4732 4823 5174 5572 8957 9646 10348 10547 17914 18109 19292 21094 33631 35828 36218 42188 62699 67262 72436 73829 125398 134524 137111 147658 235417 250796 274222 295316 470834 548444 941668 959777 1782443 1919554 3564886 3839108 7129772 12477101 24954202 49908404