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48699520 = 275471619
BaseRepresentation
bin1011100111000…
…1100010000000
310101122012011221
42321301202000
544431341040
64455444424
71130640052
oct271614200
9111565157
1048699520
1125542741
1214386714
13a1214ac
1466798d2
15441e74a
hex2e71880

48699520 has 64 divisors (see below), whose sum is σ = 118972800. Its totient is φ = 19053568.

The previous prime is 48699499. The next prime is 48699523. The reversal of 48699520 is 2599684.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (48699523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29271 + ... + 30889.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 248699520 is an apocalyptic number.

48699520 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 48699520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59486400).

48699520 is an abundant number, since it is smaller than the sum of its proper divisors (70273280).

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

48699520 is a wasteful number, since it uses less digits than its factorization.

48699520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 48699520 is about 6978.5041377074. The cubic root of 48699520 is about 365.1810448564.

The spelling of 48699520 in words is "forty-eight million, six hundred ninety-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 320 376 470 640 752 940 1504 1619 1880 3008 3238 3760 6016 6476 7520 8095 12952 15040 16190 25904 30080 32380 51808 64760 76093 103616 129520 152186 207232 259040 304372 380465 518080 608744 760930 1036160 1217488 1521860 2434976 3043720 4869952 6087440 9739904 12174880 24349760 48699520