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148002073 = 1061139493
BaseRepresentation
bin10001101001001…
…01010100011001
3101022111021200021
420310211110121
5300342031243
622404110441
73444665632
oct1064452431
9338437607
10148002073
11765a816a
1241695421
132487c6bb
1415928889
15ced76ed
hex8d25519

148002073 has 4 divisors (see below), whose sum is σ = 148142628. Its totient is φ = 147861520.

The previous prime is 148002061. The next prime is 148002083. The reversal of 148002073 is 370200841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94536729 + 53465344 = 9723^2 + 7312^2 .

It is a cyclic number.

It is not a de Polignac number, because 148002073 - 221 = 145904921 is a prime.

It is a super-2 number, since 2×1480020732 = 43809227224594658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148002083) 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, 68686 + ... + 70807.

It is an arithmetic number, because the mean of its divisors is an integer number (37035657).

Almost surely, 2148002073 is an apocalyptic number.

It is an amenable number.

148002073 is a deficient number, since it is larger than the sum of its proper divisors (140555).

148002073 is a wasteful number, since it uses less digits than its factorization.

148002073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140554.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 148002073 is about 12165.6102600733. The cubic root of 148002073 is about 528.9597169164.

The spelling of 148002073 in words is "one hundred forty-eight million, two thousand, seventy-three".

Divisors: 1 1061 139493 148002073