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148381743 = 349460581
BaseRepresentation
bin10001101100000…
…10000000101111
3101100012120111010
420312002000233
5300441203433
622420200303
73451136556
oct1066020057
9340176433
10148381743
1176837444
1241839093
1324983463
14159c6d9d
15d05ee63
hex8d8202f

148381743 has 4 divisors (see below), whose sum is σ = 197842328. Its totient is φ = 98921160.

The previous prime is 148381733. The next prime is 148381787. The reversal of 148381743 is 347183841.

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

It is not a de Polignac number, because 148381743 - 213 = 148373551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148381733) 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, 24730288 + ... + 24730293.

It is an arithmetic number, because the mean of its divisors is an integer number (49460582).

Almost surely, 2148381743 is an apocalyptic number.

148381743 is a deficient number, since it is larger than the sum of its proper divisors (49460585).

148381743 is an equidigital number, since it uses as much as digits as its factorization.

148381743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49460584.

The product of its digits is 64512, while the sum is 39.

The square root of 148381743 is about 12181.2044970931. The cubic root of 148381743 is about 529.4116444829.

The spelling of 148381743 in words is "one hundred forty-eight million, three hundred eighty-one thousand, seven hundred forty-three".

Divisors: 1 3 49460581 148381743