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148472380 = 22571377741
BaseRepresentation
bin10001101100110…
…00001000111100
3101100101011211001
420312120020330
5301002104010
622422140044
73451665040
oct1066301074
9340334731
10148472380
1176899551
1241881624
13249b57a4
1415a0c020
15d07bc3a
hex8d9823c

148472380 has 48 divisors (see below), whose sum is σ = 358981056. Its totient is φ = 50526720.

The previous prime is 148472293. The next prime is 148472393. The reversal of 148472380 is 83274841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15310 + ... + 23050.

It is an arithmetic number, because the mean of its divisors is an integer number (7478772).

Almost surely, 2148472380 is an apocalyptic number.

148472380 is a gapful number since it is divisible by the number (10) 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 148472380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179490528).

148472380 is an abundant number, since it is smaller than the sum of its proper divisors (210508676).

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

148472380 is a wasteful number, since it uses less digits than its factorization.

148472380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894 (or 7892 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 148472380 is about 12184.9242919273. The cubic root of 148472380 is about 529.5194172124.

The spelling of 148472380 in words is "one hundred forty-eight million, four hundred seventy-two thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 137 140 274 548 685 959 1370 1918 2740 3836 4795 7741 9590 15482 19180 30964 38705 54187 77410 108374 154820 216748 270935 541870 1060517 1083740 2121034 4242068 5302585 7423619 10605170 14847238 21210340 29694476 37118095 74236190 148472380