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154552106 = 277276053
BaseRepresentation
bin10010011011001…
…00011100101010
3101202211001122002
421031210130222
5304031131411
623200331002
73554446142
oct1115443452
9352731562
10154552106
117a271315
1243913a62
1326033b67
1416751922
15d87d33b
hex936472a

154552106 has 4 divisors (see below), whose sum is σ = 231828162. Its totient is φ = 77276052.

The previous prime is 154552091. The next prime is 154552109. The reversal of 154552106 is 601255451.

It is a happy number.

154552106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146627881 + 7924225 = 12109^2 + 2815^2 .

It is not an unprimeable number, because it can be changed into a prime (154552109) 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 as a sum of consecutive naturals, namely, 38638025 + ... + 38638028.

Almost surely, 2154552106 is an apocalyptic number.

154552106 is a deficient number, since it is larger than the sum of its proper divisors (77276056).

154552106 is an equidigital number, since it uses as much as digits as its factorization.

154552106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77276055.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 154552106 is about 12431.8987286737. The cubic root of 154552106 is about 536.6506286545.

The spelling of 154552106 in words is "one hundred fifty-four million, five hundred fifty-two thousand, one hundred six".

Divisors: 1 2 77276053 154552106