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148730715 = 3357315077
BaseRepresentation
bin10001101110101…
…11001101011011
3101100212022012000
420313113031123
5301033340330
622431452043
73454122150
oct1067271533
9340768160
10148730715
1176a55651
1241987023
1324a76253
1415a78227
15d0cd560
hex8dd735b

148730715 has 64 divisors (see below), whose sum is σ = 311992320. Its totient is φ = 65784960.

The previous prime is 148730707. The next prime is 148730717. The reversal of 148730715 is 517037841.

It is not a de Polignac number, because 148730715 - 23 = 148730707 is a prime.

It is a super-2 number, since 2×1487307152 = 44241651168822450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 148730715.

It is not an unprimeable number, because it can be changed into a prime (148730717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26757 + ... + 31833.

It is an arithmetic number, because the mean of its divisors is an integer number (4874880).

Almost surely, 2148730715 is an apocalyptic number.

148730715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148730715 is an abundant number, since it is smaller than the sum of its proper divisors (163261605).

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

148730715 is a wasteful number, since it uses less digits than its factorization.

148730715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 148730715 is about 12195.5202841043. The cubic root of 148730715 is about 529.8263522738.

The spelling of 148730715 in words is "one hundred forty-eight million, seven hundred thirty thousand, seven hundred fifteen".

Divisors: 1 3 5 7 9 15 21 27 31 35 45 63 93 105 135 155 189 217 279 315 465 651 837 945 1085 1395 1953 3255 4185 5077 5859 9765 15231 25385 29295 35539 45693 76155 106617 137079 157387 177695 228465 319851 472161 533085 685395 786935 959553 1101709 1416483 1599255 2360805 3305127 4249449 4797765 5508545 7082415 9915381 16525635 21247245 29746143 49576905 148730715