Search a number
-
+
2948157 = 34172141
BaseRepresentation
bin1011001111110000111101
312112210010000
423033300331
51223320112
6143104513
734026132
oct13176075
95483100
102948157
111733aa3
12ba2139
137c2b94
1456a589
153d37dc
hex2cfc3d

2948157 has 20 divisors (see below), whose sum is σ = 4665276. Its totient is φ = 1848960.

The previous prime is 2948119. The next prime is 2948159. The reversal of 2948157 is 7518492.

It can be written as a sum of positive squares in 2 ways, for example, as 2595321 + 352836 = 1611^2 + 594^2 .

It is not a de Polignac number, because 2948157 - 212 = 2944061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948159) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 307 + ... + 2447.

22948157 is an apocalyptic number.

2948157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2948157 is a deficient number, since it is larger than the sum of its proper divisors (1717119).

2948157 is a wasteful number, since it uses less digits than its factorization.

2948157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2161 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2948157 is about 1717.0198018660. The cubic root of 2948157 is about 143.3893411310.

The spelling of 2948157 in words is "two million, nine hundred forty-eight thousand, one hundred fifty-seven".

Divisors: 1 3 9 17 27 51 81 153 459 1377 2141 6423 19269 36397 57807 109191 173421 327573 982719 2948157