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4981040 = 2451929113
BaseRepresentation
bin10011000000000100110000
3100101001200222
4103000010300
52233343130
6254432212
760223661
oct23000460
910331628
104981040
1128a2369
121802668
13105527c
14939368
15685ce5
hex4c0130

4981040 has 80 divisors (see below), whose sum is σ = 12722400. Its totient is φ = 1806336.

The previous prime is 4981027. The next prime is 4981057. The reversal of 4981040 is 401894.

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

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, 44024 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

Almost surely, 24981040 is an apocalyptic number.

4981040 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 4981040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361200).

4981040 is an abundant number, since it is smaller than the sum of its proper divisors (7741360).

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

4981040 is a wasteful number, since it uses less digits than its factorization.

4981040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4981040 is about 2231.8243658496. The cubic root of 4981040 is about 170.7811799288.

The spelling of 4981040 in words is "four million, nine hundred eighty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 29 38 40 58 76 80 95 113 116 145 152 190 226 232 290 304 380 452 464 551 565 580 760 904 1102 1130 1160 1520 1808 2147 2204 2260 2320 2755 3277 4294 4408 4520 5510 6554 8588 8816 9040 10735 11020 13108 16385 17176 21470 22040 26216 32770 34352 42940 44080 52432 62263 65540 85880 124526 131080 171760 249052 262160 311315 498104 622630 996208 1245260 2490520 4981040