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148852281 = 3711375101
BaseRepresentation
bin10001101111101…
…00111000111001
3101101002110221110
420313310320321
5301101233111
622434230533
73455136444
oct1067647071
9341073843
10148852281
1177028a16
1241a25449
1324ab9696
1415aaa65b
15d1045a6
hex8df4e39

148852281 has 16 divisors (see below), whose sum is σ = 202773888. Its totient is φ = 97104000.

The previous prime is 148852267. The next prime is 148852303. The reversal of 148852281 is 182258841.

It is not a de Polignac number, because 148852281 - 218 = 148590137 is a prime.

It is a super-2 number, since 2×1488522812 = 44314003117805922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148852211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26631 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (12673368).

Almost surely, 2148852281 is an apocalyptic number.

It is an amenable number.

148852281 is a deficient number, since it is larger than the sum of its proper divisors (53921607).

148852281 is a wasteful number, since it uses less digits than its factorization.

148852281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its digits is 40960, while the sum is 39.

The square root of 148852281 is about 12200.5033092902. The cubic root of 148852281 is about 529.9706652804.

The spelling of 148852281 in words is "one hundred forty-eight million, eight hundred fifty-two thousand, two hundred eighty-one".

Divisors: 1 3 71 137 213 411 5101 9727 15303 29181 362171 698837 1086513 2096511 49617427 148852281