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48987270 = 2325618923
BaseRepresentation
bin1011101011011…
…1110010000110
310102011210220100
42322313302012
5100020043040
64505544530
71133246013
oct272676206
9112153810
1048987270
1125719952
12144a5146
13a1c2467
14671270a
154479b30
hex2eb7c86

48987270 has 48 divisors (see below), whose sum is σ = 129469392. Its totient is φ = 12847680.

The previous prime is 48987259. The next prime is 48987271. The reversal of 48987270 is 7278984.

48987270 = 3212 + 3222 + ... + 5642.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48987271) 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, 1029 + ... + 9951.

It is an arithmetic number, because the mean of its divisors is an integer number (2697279).

Almost surely, 248987270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48987270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64734696).

48987270 is an abundant number, since it is smaller than the sum of its proper divisors (80482122).

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

48987270 is a wasteful number, since it uses less digits than its factorization.

48987270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997 (or 8994 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 48987270 is about 6999.0906552209. The cubic root of 48987270 is about 365.8988791681.

The spelling of 48987270 in words is "forty-eight million, nine hundred eighty-seven thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 61 90 122 183 305 366 549 610 915 1098 1830 2745 5490 8923 17846 26769 44615 53538 80307 89230 133845 160614 267690 401535 544303 803070 1088606 1632909 2721515 3265818 4898727 5443030 8164545 9797454 16329090 24493635 48987270