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49903092 = 223217731117
BaseRepresentation
bin1011111001011…
…1010111110100
310110220100011200
42332113113310
5100233344332
64541332500
71144112031
oct276272764
9113810150
1049903092
1126194a28
1214867130
13a453275
1468b0388
1545ab17c
hex2f975f4

49903092 has 72 divisors (see below), whose sum is σ = 135515016. Its totient is φ = 15427584.

The previous prime is 49903079. The next prime is 49903099. The reversal of 49903092 is 29030994.

It can be written as a sum of positive squares in 4 ways, for example, as 4016016 + 45887076 = 2004^2 + 6774^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49903099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44118 + ... + 45234.

It is an arithmetic number, because the mean of its divisors is an integer number (1882153).

Almost surely, 249903092 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 49903092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67757508).

49903092 is an abundant number, since it is smaller than the sum of its proper divisors (85611924).

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

49903092 is a wasteful number, since it uses less digits than its factorization.

49903092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 49903092 is about 7064.2120579722. The cubic root of 49903092 is about 368.1649878494.

The spelling of 49903092 in words is "forty-nine million, nine hundred three thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 73 102 146 153 204 219 292 306 438 612 657 876 1117 1241 1314 2234 2482 2628 3351 3723 4468 4964 6702 7446 10053 11169 13404 14892 18989 20106 22338 37978 40212 44676 56967 75956 81541 113934 163082 170901 227868 244623 326164 341802 489246 683604 733869 978492 1386197 1467738 2772394 2935476 4158591 5544788 8317182 12475773 16634364 24951546 49903092