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48813280 = 2551916057
BaseRepresentation
bin1011101000110…
…1010011100000
310101211222020021
42322031103200
544444011110
64502123224
71131622525
oct272152340
9111758207
1048813280
112561015a
1214420514
13a1611c9
1466a914c
1544432da
hex2e8d4e0

48813280 has 48 divisors (see below), whose sum is σ = 121398480. Its totient is φ = 18496512.

The previous prime is 48813277. The next prime is 48813283. The reversal of 48813280 is 8231884.

It is an interprime number because it is at equal distance from previous prime (48813277) and next prime (48813283).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48813283) 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, 4989 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (2529135).

Almost surely, 248813280 is an apocalyptic number.

48813280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48813280 is an abundant number, since it is smaller than the sum of its proper divisors (72585200).

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

48813280 is a wasteful number, since it uses less digits than its factorization.

48813280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091 (or 16083 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 48813280 is about 6986.6501272069. The cubic root of 48813280 is about 365.4651728452.

The spelling of 48813280 in words is "forty-eight million, eight hundred thirteen thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 16057 32114 64228 80285 128456 160570 256912 305083 321140 513824 610166 642280 1220332 1284560 1525415 2440664 2569120 3050830 4881328 6101660 9762656 12203320 24406640 48813280