Search a number
-
+
1940176157 is a prime number
BaseRepresentation
bin111001110100100…
…1011110100011101
312000012210011100012
41303221023310131
512433141114112
6520304413005
766036140153
oct16351136435
95005704305
101940176157
119061a7077
12461917165
1324bc5c63a
141459653d3
15b54e7022
hex73a4bd1d

1940176157 has 2 divisors, whose sum is σ = 1940176158. Its totient is φ = 1940176156.

The previous prime is 1940176111. The next prime is 1940176223. The reversal of 1940176157 is 7516710491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1420837636 + 519338521 = 37694^2 + 22789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940176157 - 26 = 1940176093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1940176057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970088078 + 970088079.

It is an arithmetic number, because the mean of its divisors is an integer number (970088079).

Almost surely, 21940176157 is an apocalyptic number.

It is an amenable number.

1940176157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940176157 is an equidigital number, since it uses as much as digits as its factorization.

1940176157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 1940176157 is about 44047.4307650287. The cubic root of 1940176157 is about 1247.2314528042.

The spelling of 1940176157 in words is "one billion, nine hundred forty million, one hundred seventy-six thousand, one hundred fifty-seven".