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148249816 = 231113129589
BaseRepresentation
bin10001101011000…
…01110011011000
3101022221212111221
420311201303120
5300422443231
622413301424
73450050131
oct1065416330
9338855457
10148249816
1176757310
1241794874
13249383b0
1415990c88
15d035d11
hex8d61cd8

148249816 has 32 divisors (see below), whose sum is σ = 326566800. Its totient is φ = 62202240.

The previous prime is 148249811. The next prime is 148249847. The reversal of 148249816 is 618942841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148249811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63651 + ... + 65938.

Almost surely, 2148249816 is an apocalyptic number.

It is an amenable number.

148249816 is an abundant number, since it is smaller than the sum of its proper divisors (178316984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148249816 is a wasteful number, since it uses less digits than its factorization.

148249816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129619 (or 129615 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 148249816 is about 12175.7881059092. The cubic root of 148249816 is about 529.2546970528.

The spelling of 148249816 in words is "one hundred forty-eight million, two hundred forty-nine thousand, eight hundred sixteen".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 129589 259178 518356 1036712 1425479 1684657 2850958 3369314 5701916 6738628 11403832 13477256 18531227 37062454 74124908 148249816