Search a number
-
+
48078720 = 2732517491
BaseRepresentation
bin1011011101100…
…1111110000000
310100110122121100
42313121332000
544302004340
64434254400
71122443124
oct267317600
9110418540
1048078720
1125159288
1214127400
139c64a61
146557584
15434a830
hex2dd9f80

48078720 has 192 divisors, whose sum is σ = 176145840. Its totient is φ = 12042240.

The previous prime is 48078713. The next prime is 48078733. The reversal of 48078720 is 2787084.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-3 number, since 3×480787203 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97675 + ... + 98165.

Almost surely, 248078720 is an apocalyptic number.

48078720 is a gapful number since it is divisible by the number (40) 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 48078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88072920).

48078720 is an abundant number, since it is smaller than the sum of its proper divisors (128067120).

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

48078720 is a wasteful number, since it uses less digits than its factorization.

48078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 48078720 is about 6933.8820295704. The cubic root of 48078720 is about 363.6226819095.

The spelling of 48078720 in words is "forty-eight million, seventy-eight thousand, seven hundred twenty".