Search a number
-
+
971157050 = 25219423141
BaseRepresentation
bin111001111000101…
…010111000111010
32111200101220000122
4321320222320322
53442104011200
6240211133242
733031461443
oct7170527072
92450356018
10971157050
11459213736
122312a4222
1312627ba56
1492da02ca
155a3d5385
hex39e2ae3a

971157050 has 12 divisors (see below), whose sum is σ = 1806352206. Its totient is φ = 388462800.

The previous prime is 971157049. The next prime is 971157059. The reversal of 971157050 is 50751179.

It can be written as a sum of positive squares in 3 ways, for example, as 802079041 + 169078009 = 28321^2 + 13003^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 971157050.

It is not an unprimeable number, because it can be changed into a prime (971157059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9711521 + ... + 9711620.

Almost surely, 2971157050 is an apocalyptic number.

971157050 is a deficient number, since it is larger than the sum of its proper divisors (835195156).

971157050 is a wasteful number, since it uses less digits than its factorization.

971157050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423153 (or 19423148 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 971157050 is about 31163.3927870506. The cubic root of 971157050 is about 990.2917379843.

The spelling of 971157050 in words is "nine hundred seventy-one million, one hundred fifty-seven thousand, fifty".

Divisors: 1 2 5 10 25 50 19423141 38846282 97115705 194231410 485578525 971157050