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148387968 = 2732177577
BaseRepresentation
bin10001101100000…
…11100010000000
3101100012220000200
420312003202000
5300441403333
622420245200
73451163661
oct1066034200
9340186020
10148387968
1176841093
1241840800
1324986241
14159c9368
15d061c13
hex8d83880

148387968 has 96 divisors (see below), whose sum is σ = 452179260. Its totient is φ = 46546944.

The previous prime is 148387933. The next prime is 148387997. The reversal of 148387968 is 869783841.

It can be written as a sum of positive squares in 2 ways, for example, as 142277184 + 6110784 = 11928^2 + 2472^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15796 + ... + 23372.

Almost surely, 2148387968 is an apocalyptic number.

148387968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148387968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226089630).

148387968 is an abundant number, since it is smaller than the sum of its proper divisors (303791292).

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

148387968 is a wasteful number, since it uses less digits than its factorization.

148387968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614 (or 7599 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 148387968 is about 12181.4600110167. The cubic root of 148387968 is about 529.4190477778.

The spelling of 148387968 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 272 288 306 384 408 544 576 612 816 1088 1152 1224 1632 2176 2448 3264 4896 6528 7577 9792 15154 19584 22731 30308 45462 60616 68193 90924 121232 128809 136386 181848 242464 257618 272772 363696 386427 484928 515236 545544 727392 772854 969856 1030472 1091088 1159281 1454784 1545708 2060944 2182176 2318562 2909568 3091416 4121888 4364352 4637124 6182832 8243776 8728704 9274248 12365664 16487552 18548496 24731328 37096992 49462656 74193984 148387968