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997730150 = 25219954603
BaseRepresentation
bin111011011110000…
…010011101100110
32120112101221110112
4323132002131212
54020404331100
6243000453022
733503365154
oct7336023546
92515357415
10997730150
1147221347a
1223a17a172
1312b923c91
149671a3d4
155c8d3b35
hex3b782766

997730150 has 12 divisors (see below), whose sum is σ = 1855778172. Its totient is φ = 399092040.

The previous prime is 997730137. The next prime is 997730159. The reversal of 997730150 is 51037799.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 997730098 and 997730107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997730159) 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, 9977252 + ... + 9977351.

It is an arithmetic number, because the mean of its divisors is an integer number (154648181).

Almost surely, 2997730150 is an apocalyptic number.

997730150 is a deficient number, since it is larger than the sum of its proper divisors (858048022).

997730150 is a wasteful number, since it uses less digits than its factorization.

997730150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19954615 (or 19954610 counting only the distinct ones).

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 997730150 is about 31586.8667328686. The cubic root of 997730150 is about 999.2428101416.

The spelling of 997730150 in words is "nine hundred ninety-seven million, seven hundred thirty thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 19954603 39909206 99773015 199546030 498865075 997730150