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150822961 = 122812
BaseRepresentation
bin10001111110101…
…10000000110001
3101111210121012121
420333112000301
5302102313321
622544354241
73510655042
oct1077260061
9344717177
10150822961
1178154583
1242615981
1325329673
14160608c9
15d393441
hex8fd6031

150822961 has 3 divisors (see below), whose sum is σ = 150835243. Its totient is φ = 150810680.

The previous prime is 150822949. The next prime is 150823009. The reversal of 150822961 is 169228051.

The square root of 150822961 is 12281.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 131813361 + 19009600 = 11481^2 + 4360^2 .

It is not a de Polignac number, because 150822961 - 29 = 150822449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150822901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6141 + ... + 18421.

Almost surely, 2150822961 is an apocalyptic number.

150822961 is the 12281-st square number.

150822961 is the 6141-st centered octagonal number.

It is an amenable number.

150822961 is a deficient number, since it is larger than the sum of its proper divisors (12282).

150822961 is an frugal number, since it uses more digits than its factorization.

150822961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24562 (or 12281 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The cubic root of 150822961 is about 532.2992091243.

The spelling of 150822961 in words is "one hundred fifty million, eight hundred twenty-two thousand, nine hundred sixty-one".

Divisors: 1 12281 150822961