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148031407 is a prime number
BaseRepresentation
bin10001101001011…
…00011110101111
3101022112202220201
420310230132233
5300344001112
622404454331
73445150306
oct1064543657
9338482821
10148031407
1176618207
12416aa3a7
132488cb64
141593543d
15cee1257
hex8d2c7af

148031407 has 2 divisors, whose sum is σ = 148031408. Its totient is φ = 148031406.

The previous prime is 148031353. The next prime is 148031419. The reversal of 148031407 is 704130841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148031407 - 211 = 148029359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148031437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74015703 + 74015704.

It is an arithmetic number, because the mean of its divisors is an integer number (74015704).

Almost surely, 2148031407 is an apocalyptic number.

148031407 is a deficient number, since it is larger than the sum of its proper divisors (1).

148031407 is an equidigital number, since it uses as much as digits as its factorization.

148031407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 148031407 is about 12166.8158118712. The cubic root of 148031407 is about 528.9946612002.

The spelling of 148031407 in words is "one hundred forty-eight million, thirty-one thousand, four hundred seven".