Search a number
-
+
49690770 = 2354171569
BaseRepresentation
bin1011110110001…
…1100010010010
310110111112220220
42331203202102
5100210101040
64533013510
71142236023
oct275434222
9113445826
1049690770
112605a458
1214784296
13a3aa72c
146856c4a
1545682d0
hex2f63892

49690770 has 64 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 12723200.

The previous prime is 49690723. The next prime is 49690777. The reversal of 49690770 is 7709694.

49690770 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 (49690777) 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 31 ways as a sum of consecutive naturals, for example, 87046 + ... + 87614.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 249690770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49690770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62052480).

49690770 is an abundant number, since it is smaller than the sum of its proper divisors (74414190).

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

49690770 is a wasteful number, since it uses less digits than its factorization.

49690770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 49690770 is about 7049.1680360167. The cubic root of 49690770 is about 367.6421034049.

The spelling of 49690770 in words is "forty-nine million, six hundred ninety thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 41 71 82 123 142 205 213 246 355 410 426 569 615 710 1065 1138 1230 1707 2130 2845 2911 3414 5690 5822 8535 8733 14555 17070 17466 23329 29110 40399 43665 46658 69987 80798 87330 116645 121197 139974 201995 233290 242394 349935 403990 605985 699870 1211970 1656359 3312718 4969077 8281795 9938154 16563590 24845385 49690770