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148339730 = 25711383503
BaseRepresentation
bin10001101011101…
…11110000010010
3101100010102212002
420311313300102
5300433332410
622415234002
73450603230
oct1065676022
9340112762
10148339730
1176808920
1241818902
132496a2b6
14159b5950
15d0527a5
hex8d77c12

148339730 has 64 divisors (see below), whose sum is σ = 334430208. Its totient is φ = 46023360.

The previous prime is 148339721. The next prime is 148339769. The reversal of 148339730 is 37933841.

148339730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294659 + ... + 295161.

It is an arithmetic number, because the mean of its divisors is an integer number (5225472).

Almost surely, 2148339730 is an apocalyptic number.

148339730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148339730 is an abundant number, since it is smaller than the sum of its proper divisors (186090478).

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

148339730 is a wasteful number, since it uses less digits than its factorization.

148339730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 148339730 is about 12179.4798739519. The cubic root of 148339730 is about 529.3616736655.

The spelling of 148339730 in words is "one hundred forty-eight million, three hundred thirty-nine thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 383 385 503 766 770 1006 1915 2515 2681 3521 3830 4213 5030 5362 5533 7042 8426 11066 13405 17605 21065 26810 27665 29491 35210 38731 42130 55330 58982 77462 147455 192649 193655 294910 385298 387310 963245 1348543 1926490 2119139 2697086 4238278 6742715 10595695 13485430 14833973 21191390 29667946 74169865 148339730