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49189764 = 22313437333
BaseRepresentation
bin1011101110100…
…1001110000100
310102120002200010
42323221032010
5100043033024
64514150220
71135051251
oct273511604
9112502603
1049189764
1125847aa8
1214582370
13a263690
146766428
1544b9b29
hex2ee9384

49189764 has 48 divisors (see below), whose sum is σ = 126496832. Its totient is φ = 14781312.

The previous prime is 49189757. The next prime is 49189769. The reversal of 49189764 is 46798194.

49189764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49189769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042 + ... + 10374.

Almost surely, 249189764 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 49189764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63248416).

49189764 is an abundant number, since it is smaller than the sum of its proper divisors (77307068).

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

49189764 is a wasteful number, since it uses less digits than its factorization.

49189764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 49189764 is about 7013.5414734640. The cubic root of 49189764 is about 366.4023465109.

The spelling of 49189764 in words is "forty-nine million, one hundred eighty-nine thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 13 26 39 43 52 78 86 129 156 172 258 516 559 1118 1677 2236 3354 6708 7333 14666 21999 29332 43998 87996 95329 190658 285987 315319 381316 571974 630638 945957 1143948 1261276 1891914 3783828 4099147 8198294 12297441 16396588 24594882 49189764