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148478056 = 23411094153
BaseRepresentation
bin10001101100110…
…01100001101000
3101100101110121021
420312121201220
5301002244211
622422222224
73452020426
oct1066314150
9340343537
10148478056
11768a2841
1241884974
13249b824c
1415a10116
15d07d771
hex8d99868

148478056 has 32 divisors (see below), whose sum is σ = 287872200. Its totient is φ = 71746560.

The previous prime is 148478039. The next prime is 148478059. The reversal of 148478056 is 650874841.

It can be written as a sum of positive squares in 4 ways, for example, as 55741156 + 92736900 = 7466^2 + 9630^2 .

It is a super-2 number, since 2×1484780562 = 44091466227078272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148478059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33676 + ... + 37828.

Almost surely, 2148478056 is an apocalyptic number.

It is an amenable number.

148478056 is a deficient number, since it is larger than the sum of its proper divisors (139394144).

148478056 is a wasteful number, since it uses less digits than its factorization.

148478056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 148478056 is about 12185.1572004632. The cubic root of 148478056 is about 529.5261648511.

The spelling of 148478056 in words is "one hundred forty-eight million, four hundred seventy-eight thousand, fifty-six".

Divisors: 1 2 4 8 41 82 109 164 218 328 436 872 4153 4469 8306 8938 16612 17876 33224 35752 170273 340546 452677 681092 905354 1362184 1810708 3621416 18559757 37119514 74239028 148478056