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148297438 = 2715110369
BaseRepresentation
bin10001101011011…
…01011011011110
3101100001021211201
420311231123132
5300431004223
622414310114
73450336022
oct1065553336
9340037751
10148297438
117678a073
12417b833a
1324953c83
14159a4382
15d044ead
hex8d6d6de

148297438 has 8 divisors (see below), whose sum is σ = 222498720. Its totient is φ = 74131200.

The previous prime is 148297427. The next prime is 148297439. The reversal of 148297438 is 834792841.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148297439) 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 3 ways as a sum of consecutive naturals, for example, 9118 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (27812340).

Almost surely, 2148297438 is an apocalyptic number.

148297438 is a deficient number, since it is larger than the sum of its proper divisors (74201282).

148297438 is a wasteful number, since it uses less digits than its factorization.

148297438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17522.

The product of its digits is 387072, while the sum is 46.

The square root of 148297438 is about 12177.7435512495. The cubic root of 148297438 is about 529.3113614714.

The spelling of 148297438 in words is "one hundred forty-eight million, two hundred ninety-seven thousand, four hundred thirty-eight".

Divisors: 1 2 7151 10369 14302 20738 74148719 148297438