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48913020 = 223251320903
BaseRepresentation
bin1011101010010…
…1101001111100
310102001001001100
42322211221330
5100010204040
64504213100
71132516362
oct272455174
9112031040
1048913020
1125679092
121446a190
13a197720
1466d3632
154462b30
hex2ea5a7c

48913020 has 72 divisors (see below), whose sum is σ = 159790176. Its totient is φ = 12039552.

The previous prime is 48912989. The next prime is 48913021. The reversal of 48913020 is 2031984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48913021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8112 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (2219308).

Almost surely, 248913020 is an apocalyptic number.

It is an amenable number.

48913020 is an abundant number, since it is smaller than the sum of its proper divisors (110877156).

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

48913020 is a wasteful number, since it uses less digits than its factorization.

48913020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20931 (or 20926 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 48913020 is about 6993.7843832935. The cubic root of 48913020 is about 365.7139213922.

The spelling of 48913020 in words is "forty-eight million, nine hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 20903 41806 62709 83612 104515 125418 188127 209030 250836 271739 313545 376254 418060 543478 627090 752508 815217 940635 1086956 1254180 1358695 1630434 1881270 2445651 2717390 3260868 3762540 4076085 4891302 5434780 8152170 9782604 12228255 16304340 24456510 48913020