Search a number
-
+
2071955 = 52343419
BaseRepresentation
bin111111001110110010011
310220021012002
413321312103
51012300310
6112224215
723416454
oct7716623
93807162
102071955
111195766
1283b06b
13577112
143bd12b
152adda5
hex1f9d93

2071955 has 16 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 1544928.

The previous prime is 2071939. The next prime is 2071957. The reversal of 2071955 is 5591702.

It is a cyclic number.

It is not a de Polignac number, because 2071955 - 24 = 2071939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2071957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4736 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

22071955 is an apocalyptic number.

2071955 is a deficient number, since it is larger than the sum of its proper divisors (589165).

2071955 is a wasteful number, since it uses less digits than its factorization.

2071955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 2071955 is about 1439.4287061192. The cubic root of 2071955 is about 127.4852988304.

The spelling of 2071955 in words is "two million, seventy-one thousand, nine hundred fifty-five".

Divisors: 1 5 23 43 115 215 419 989 2095 4945 9637 18017 48185 90085 414391 2071955