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49680528 = 24317107569
BaseRepresentation
bin1011110110000…
…1000010010000
310110111000212120
42331201002100
5100204234103
64532454240
71142164122
oct275410220
9113430776
1049680528
1126052797
121477a380
13a3a5b81
146853212
154565253
hex2f61090

49680528 has 80 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 15413248.

The previous prime is 49680517. The next prime is 49680577. The reversal of 49680528 is 82508694.

It is a self number, because there is not a number n which added to its sum of digits gives 49680528.

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, 87028 + ... + 87596.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524).

Almost surely, 249680528 is an apocalyptic number.

49680528 is a gapful number since it is divisible by the number (48) 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 49680528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700960).

49680528 is an abundant number, since it is smaller than the sum of its proper divisors (87721392).

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

49680528 is a wasteful number, since it uses less digits than its factorization.

49680528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 49680528 is about 7048.4415298703. The cubic root of 49680528 is about 367.6168428508.

The spelling of 49680528 in words is "forty-nine million, six hundred eighty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 107 136 204 214 272 321 408 428 569 642 816 856 1138 1284 1707 1712 1819 2276 2568 3414 3638 4552 5136 5457 6828 7276 9104 9673 10914 13656 14552 19346 21828 27312 29019 29104 38692 43656 58038 60883 77384 87312 116076 121766 154768 182649 232152 243532 365298 464304 487064 730596 974128 1035011 1461192 2070022 2922384 3105033 4140044 6210066 8280088 12420132 16560176 24840264 49680528