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148538705 = 578115233
BaseRepresentation
bin10001101101010…
…00010101010001
3101100111112210112
420312220111101
5301011214310
622423411105
73452362310
oct1066502521
9340445715
10148538705
1176934367
12418b3a95
1324a09a33
1415a28277
15d091705
hex8da8551

148538705 has 16 divisors (see below), whose sum is σ = 204000384. Its totient is φ = 101710080.

The previous prime is 148538653. The next prime is 148538729. The reversal of 148538705 is 507835841.

It is a de Polignac number, because none of the positive numbers 2k-148538705 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25769 + ... + 31001.

It is an arithmetic number, because the mean of its divisors is an integer number (12750024).

Almost surely, 2148538705 is an apocalyptic number.

It is an amenable number.

148538705 is a deficient number, since it is larger than the sum of its proper divisors (55461679).

148538705 is an equidigital number, since it uses as much as digits as its factorization.

148538705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 148538705 is about 12187.6455888740. The cubic root of 148538705 is about 529.5982537543.

The spelling of 148538705 in words is "one hundred forty-eight million, five hundred thirty-eight thousand, seven hundred five".

Divisors: 1 5 7 35 811 4055 5233 5677 26165 28385 36631 183155 4243963 21219815 29707741 148538705