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148729744 = 249295609
BaseRepresentation
bin10001101110101…
…10111110010000
3101100212020212001
420313112332100
5301033322434
622431443344
73454116262
oct1067267620
9340766761
10148729744
1176a54949
1241986554
1324a75987
1415a77b32
15d0cd114
hex8dd6f90

148729744 has 10 divisors (see below), whose sum is σ = 288163910. Its totient is φ = 74364864.

The previous prime is 148729729. The next prime is 148729747. The reversal of 148729744 is 447927841.

It can be written as a sum of positive squares in only one way, i.e., 143712144 + 5017600 = 11988^2 + 2240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148729694 and 148729703.

It is not an unprimeable number, because it can be changed into a prime (148729747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4647789 + ... + 4647820.

It is an arithmetic number, because the mean of its divisors is an integer number (28816391).

Almost surely, 2148729744 is an apocalyptic number.

It is an amenable number.

148729744 is a deficient number, since it is larger than the sum of its proper divisors (139434166).

148729744 is an equidigital number, since it uses as much as digits as its factorization.

148729744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295617 (or 9295611 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 148729744 is about 12195.4804743397. The cubic root of 148729744 is about 529.8251992671.

The spelling of 148729744 in words is "one hundred forty-eight million, seven hundred twenty-nine thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 9295609 18591218 37182436 74364872 148729744