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151005233 = 2925720261
BaseRepresentation
bin10010000000000…
…10100000110001
3101112010212020102
421000002200301
5302124131413
622552322145
73512344331
oct1100024061
9345125212
10151005233
1178269515
12426a3355
1325391612
14160ab0c1
15d3cc458
hex9002831

151005233 has 8 divisors (see below), whose sum is σ = 156827880. Its totient is φ = 145223680.

The previous prime is 151005227. The next prime is 151005259. The reversal of 151005233 is 332500151.

It can be written as a sum of positive squares in 4 ways, for example, as 22591009 + 128414224 = 4753^2 + 11332^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 151005233 - 28 = 151004977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151005263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678 + ... + 17583.

It is an arithmetic number, because the mean of its divisors is an integer number (19603485).

Almost surely, 2151005233 is an apocalyptic number.

It is an amenable number.

151005233 is a deficient number, since it is larger than the sum of its proper divisors (5822647).

151005233 is a wasteful number, since it uses less digits than its factorization.

151005233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20547.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 151005233 is about 12288.4186533500. The cubic root of 151005233 is about 532.5135535501.

Adding to 151005233 its reverse (332500151), we get a palindrome (483505384).

The spelling of 151005233 in words is "one hundred fifty-one million, five thousand, two hundred thirty-three".

Divisors: 1 29 257 7453 20261 587569 5207077 151005233