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148848105 = 3572715231
BaseRepresentation
bin10001101111100…
…11110111101001
3101101002021012210
420313303313221
5301101114410
622434155333
73455121330
oct1067636751
9341067183
10148848105
117702586a
1241a22b49
1324ab7803
1415aa8d17
15d103220
hex8df3de9

148848105 has 32 divisors (see below), whose sum is σ = 273235968. Its totient is φ = 67780800.

The previous prime is 148848103. The next prime is 148848131. The reversal of 148848105 is 501848841.

It is not a de Polignac number, because 148848105 - 21 = 148848103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148848101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25840 + ... + 31070.

It is an arithmetic number, because the mean of its divisors is an integer number (8538624).

Almost surely, 2148848105 is an apocalyptic number.

148848105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148848105 is a deficient number, since it is larger than the sum of its proper divisors (124387863).

148848105 is a wasteful number, since it uses less digits than its factorization.

148848105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517.

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

The square root of 148848105 is about 12200.3321676092. The cubic root of 148848105 is about 529.9657091853.

It can be divided in two parts, 148 and 848105, that added together give a triangular number (848253 = T1302).

The spelling of 148848105 in words is "one hundred forty-eight million, eight hundred forty-eight thousand, one hundred five".

Divisors: 1 3 5 7 15 21 35 105 271 813 1355 1897 4065 5231 5691 9485 15693 26155 28455 36617 78465 109851 183085 549255 1417601 4252803 7088005 9923207 21264015 29769621 49616035 148848105