Search a number
-
+
148831607 is a prime number
BaseRepresentation
bin10001101111011…
…11110101110111
3101101001102120202
420313233311313
5301100102412
622433551115
73455022251
oct1067576567
9341042522
10148831607
1177014431
1241a1549b
1324ab0152
1415aa2cd1
15d0ed3c2
hex8defd77

148831607 has 2 divisors, whose sum is σ = 148831608. Its totient is φ = 148831606.

The previous prime is 148831603. The next prime is 148831619. The reversal of 148831607 is 706138841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148831607 - 22 = 148831603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148831603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74415803 + 74415804.

It is an arithmetic number, because the mean of its divisors is an integer number (74415804).

Almost surely, 2148831607 is an apocalyptic number.

148831607 is a deficient number, since it is larger than the sum of its proper divisors (1).

148831607 is an equidigital number, since it uses as much as digits as its factorization.

148831607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 148831607 is about 12199.6560197409. The cubic root of 148831607 is about 529.9461283799.

The spelling of 148831607 in words is "one hundred forty-eight million, eight hundred thirty-one thousand, six hundred seven".