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148385049 = 349461683
BaseRepresentation
bin10001101100000…
…10110100011001
3101100012202000120
420312002310121
5300441310144
622420223453
73451152321
oct1066026431
9340182016
10148385049
117683997a
124183ab89
1324984b07
14159c8281
15d060e19
hex8d82d19

148385049 has 4 divisors (see below), whose sum is σ = 197846736. Its totient is φ = 98923364.

The previous prime is 148385033. The next prime is 148385051. The reversal of 148385049 is 940583841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148385049 - 24 = 148385033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148385049.

It is not an unprimeable number, because it can be changed into a prime (148385009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24730839 + ... + 24730844.

It is an arithmetic number, because the mean of its divisors is an integer number (49461684).

Almost surely, 2148385049 is an apocalyptic number.

It is an amenable number.

148385049 is a deficient number, since it is larger than the sum of its proper divisors (49461687).

148385049 is an equidigital number, since it uses as much as digits as its factorization.

148385049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49461686.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 148385049 is about 12181.3401972033. The cubic root of 148385049 is about 529.4155762827.

The spelling of 148385049 in words is "one hundred forty-eight million, three hundred eighty-five thousand, forty-nine".

Divisors: 1 3 49461683 148385049