Search a number
-
+
49897160 = 2351247429
BaseRepresentation
bin1011111001010…
…1111011001000
310110220001000222
42332111323020
5100233202120
64541245212
71144055525
oct276257310
9113801028
1049897160
1126190525
1214863808
13a450661
1468ac14c
1545a9525
hex2f95ec8

49897160 has 16 divisors (see below), whose sum is σ = 112268700. Its totient is φ = 19958848.

The previous prime is 49897147. The next prime is 49897163. The reversal of 49897160 is 6179894.

It can be written as a sum of positive squares in 2 ways, for example, as 49815364 + 81796 = 7058^2 + 286^2 .

It is not an unprimeable number, because it can be changed into a prime (49897163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623675 + ... + 623754.

Almost surely, 249897160 is an apocalyptic number.

49897160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49897160 is an abundant number, since it is smaller than the sum of its proper divisors (62371540).

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

49897160 is a wasteful number, since it uses less digits than its factorization.

49897160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247440 (or 1247436 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 49897160 is about 7063.7921826736. The cubic root of 49897160 is about 368.1503992994.

The spelling of 49897160 in words is "forty-nine million, eight hundred ninety-seven thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1247429 2494858 4989716 6237145 9979432 12474290 24948580 49897160