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148388026 = 274194013
BaseRepresentation
bin10001101100000…
…11100010111010
3101100012220002211
420312003202322
5300441404101
622420245334
73451164103
oct1066034272
9340186084
10148388026
1176841136
124184084a
1324986287
14159c93aa
15d061c51
hex8d838ba

148388026 has 4 divisors (see below), whose sum is σ = 222582042. Its totient is φ = 74194012.

The previous prime is 148388021. The next prime is 148388029. The reversal of 148388026 is 620883841.

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., 146385801 + 2002225 = 12099^2 + 1415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 148388026.

It is not an unprimeable number, because it can be changed into a prime (148388021) 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, 37097005 + ... + 37097008.

Almost surely, 2148388026 is an apocalyptic number.

148388026 is a deficient number, since it is larger than the sum of its proper divisors (74194016).

148388026 is an equidigital number, since it uses as much as digits as its factorization.

148388026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74194015.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 148388026 is about 12181.4623916835. The cubic root of 148388026 is about 529.4191167553.

The spelling of 148388026 in words is "one hundred forty-eight million, three hundred eighty-eight thousand, twenty-six".

Divisors: 1 2 74194013 148388026