Search a number
-
+
148290987 = 3133802333
BaseRepresentation
bin10001101011010…
…11110110101011
3101100000221222210
420311223312223
5300430302422
622414220203
73450311145
oct1065536653
9340027883
10148290987
1176785239
12417b4663
1324951060
14159a1c95
15d04310c
hex8d6bdab

148290987 has 8 divisors (see below), whose sum is σ = 212930704. Its totient is φ = 91255968.

The previous prime is 148290977. The next prime is 148290997. The reversal of 148290987 is 789092841.

It is an interprime number because it is at equal distance from previous prime (148290977) and next prime (148290997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148290987 - 215 = 148258219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148290937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901128 + ... + 1901205.

It is an arithmetic number, because the mean of its divisors is an integer number (26616338).

Almost surely, 2148290987 is an apocalyptic number.

148290987 is a deficient number, since it is larger than the sum of its proper divisors (64639717).

148290987 is a wasteful number, since it uses less digits than its factorization.

148290987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802349.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 148290987 is about 12177.4786799239. The cubic root of 148290987 is about 529.3036862723.

The spelling of 148290987 in words is "one hundred forty-eight million, two hundred ninety thousand, nine hundred eighty-seven".

Divisors: 1 3 13 39 3802333 11406999 49430329 148290987