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49020 = 22351943
BaseRepresentation
bin1011111101111100
32111020120
423331330
53032040
61014540
7262626
oct137574
974216
1049020
1133914
1224450
131940a
1413c16
15e7d0
hexbf7c

49020 has 48 divisors (see below), whose sum is σ = 147840. Its totient is φ = 12096.

The previous prime is 49019. The next prime is 49031. The reversal of 49020 is 2094.

It is a Harshad number since it is a multiple of its sum of digits (15).

49020 is an undulating number in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49020.

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, 1119 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (3080).

249020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73920).

49020 is an abundant number, since it is smaller than the sum of its proper divisors (98820).

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

49020 is a wasteful number, since it uses less digits than its factorization.

49020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 49020 is about 221.4046069981. The cubic root of 49020 is about 36.5980350702.

The spelling of 49020 in words is "forty-nine thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 43 57 60 76 86 95 114 129 172 190 215 228 258 285 380 430 516 570 645 817 860 1140 1290 1634 2451 2580 3268 4085 4902 8170 9804 12255 16340 24510 49020