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148115728 = 249257233
BaseRepresentation
bin10001101010000…
…01000100010000
3101022201001120201
420311001010100
5300404200403
622410344544
73445651165
oct1065010420
9338631521
10148115728
11766755a2
124172b154
13248bc357
141595806c
15d00b21d
hex8d41110

148115728 has 10 divisors (see below), whose sum is σ = 286974254. Its totient is φ = 74057856.

The previous prime is 148115719. The next prime is 148115777. The reversal of 148115728 is 827511841.

It can be written as a sum of positive squares in only one way, i.e., 138579984 + 9535744 = 11772^2 + 3088^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4628601 + ... + 4628632.

Almost surely, 2148115728 is an apocalyptic number.

It is an amenable number.

148115728 is a deficient number, since it is larger than the sum of its proper divisors (138858526).

148115728 is an equidigital number, since it uses as much as digits as its factorization.

148115728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257241 (or 9257235 counting only the distinct ones).

The product of its digits is 17920, while the sum is 37.

The square root of 148115728 is about 12170.2805226502. The cubic root of 148115728 is about 529.0950833406.

The spelling of 148115728 in words is "one hundred forty-eight million, one hundred fifteen thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 9257233 18514466 37028932 74057864 148115728