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149227922 = 2420117761
BaseRepresentation
bin10001110010100…
…00100110010010
3101101210120020002
420321100212102
5301200243142
622450250002
73461262554
oct1071204622
9341716202
10149227922
1177265168
1241b86902
1324bbb65c
1415b674d4
15d17aa32
hex8e50992

149227922 has 8 divisors (see below), whose sum is σ = 223907772. Its totient is φ = 74592000.

The previous prime is 149227909. The next prime is 149227927. The reversal of 149227922 is 229722941.

It can be written as a sum of positive squares in 2 ways, for example, as 131997121 + 17230801 = 11489^2 + 4151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (149227927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 17282.

Almost surely, 2149227922 is an apocalyptic number.

149227922 is a deficient number, since it is larger than the sum of its proper divisors (74679850).

149227922 is a wasteful number, since it uses less digits than its factorization.

149227922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21964.

The product of its digits is 36288, while the sum is 38.

The square root of 149227922 is about 12215.8880970644. Note that the first 3 decimals coincide. The cubic root of 149227922 is about 530.4160990126.

The spelling of 149227922 in words is "one hundred forty-nine million, two hundred twenty-seven thousand, nine hundred twenty-two".

Divisors: 1 2 4201 8402 17761 35522 74613961 149227922