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48155730 = 23572174147
BaseRepresentation
bin1011011110110…
…0110001010010
310100121120020120
42313230301102
544311440410
64440051110
71123213500
oct267546122
9110546216
1048155730
1125201127
1214163a96
139c90b1c
146577670
154363570
hex2decc52

48155730 has 192 divisors, whose sum is σ = 148925952. Its totient is φ = 9891840.

The previous prime is 48155729. The next prime is 48155773. The reversal of 48155730 is 3755184.

It is a junction number, because it is equal to n+sod(n) for n = 48155691 and 48155700.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1024567 + ... + 1024613.

It is an arithmetic number, because the mean of its divisors is an integer number (775656).

Almost surely, 248155730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48155730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74462976).

48155730 is an abundant number, since it is smaller than the sum of its proper divisors (100770222).

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

48155730 is a wasteful number, since it uses less digits than its factorization.

48155730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 48155730 is about 6939.4329739540. The cubic root of 48155730 is about 363.8167223290.

The spelling of 48155730 in words is "forty-eight million, one hundred fifty-five thousand, seven hundred thirty".