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148815752 = 231922272
BaseRepresentation
bin10001101111010…
…11111110001000
3101101000121211112
420313223332020
5301044101002
622433345452
73454625111
oct1067537610
9341017745
10148815752
1177003528
1241a08288
1324aa5b77
1415a9b208
15d0e8852
hex8debf88

148815752 has 36 divisors (see below), whose sum is σ = 295791255. Its totient is φ = 70181136.

The previous prime is 148815749. The next prime is 148815761. The reversal of 148815752 is 257518841.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 74407876 = 8626^2 + 8626^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8626.

It is a super-2 number, since 2×1488157522 = 44292256086651008, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 655463 + ... + 655689.

Almost surely, 2148815752 is an apocalyptic number.

It is an amenable number.

148815752 is a deficient number, since it is larger than the sum of its proper divisors (146975503).

148815752 is an equidigital number, since it uses as much as digits as its factorization.

148815752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 248 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 148815752 is about 12199.0061890303. The cubic root of 148815752 is about 529.9273093615.

The spelling of 148815752 in words is "one hundred forty-eight million, eight hundred fifteen thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 227 361 454 722 908 1444 1816 2888 4313 8626 17252 34504 51529 81947 103058 163894 206116 327788 412232 655576 979051 1958102 3916204 7832408 18601969 37203938 74407876 148815752