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151222328 = 2318902791
BaseRepresentation
bin10010000001101…
…11100000111000
3101112112220000222
421000313200320
5302203103303
623001115212
73514240265
oct1100674070
9345486028
10151222328
11783a7634
1242788b08
132543938a
141612626c
15d421938
hex9037838

151222328 has 8 divisors (see below), whose sum is σ = 283541880. Its totient is φ = 75611160.

The previous prime is 151222307. The next prime is 151222343. The reversal of 151222328 is 823222151.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 151222297 and 151222306.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9451388 + ... + 9451403.

It is an arithmetic number, because the mean of its divisors is an integer number (35442735).

Almost surely, 2151222328 is an apocalyptic number.

It is an amenable number.

151222328 is a deficient number, since it is larger than the sum of its proper divisors (132319552).

151222328 is a wasteful number, since it uses less digits than its factorization.

151222328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18902797 (or 18902793 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 151222328 is about 12297.2487980036. The cubic root of 151222328 is about 532.7686234593.

Adding to 151222328 its reverse (823222151), we get a palindrome (974444479).

The spelling of 151222328 in words is "one hundred fifty-one million, two hundred twenty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 18902791 37805582 75611164 151222328