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4721696 = 257107197
BaseRepresentation
bin10010000000110000100000
322212212221122
4102000300200
52202043241
6245111412
755063610
oct22006040
98785848
104721696
112735531
1216b8568
13c94205
148aca40
1563404b
hex480c20

4721696 has 48 divisors (see below), whose sum is σ = 10777536. Its totient is φ = 1994496.

The previous prime is 4721687. The next prime is 4721719. The reversal of 4721696 is 6961274.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23870 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (224532).

Almost surely, 24721696 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 4721696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5388768).

4721696 is an abundant number, since it is smaller than the sum of its proper divisors (6055840).

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

4721696 is a wasteful number, since it uses less digits than its factorization.

4721696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 313 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 4721696 is about 2172.9463868214. The cubic root of 4721696 is about 167.7642195120.

The spelling of 4721696 in words is "four million, seven hundred twenty-one thousand, six hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 107 112 197 214 224 394 428 749 788 856 1379 1498 1576 1712 2758 2996 3152 3424 5516 5992 6304 11032 11984 21079 22064 23968 42158 44128 84316 147553 168632 295106 337264 590212 674528 1180424 2360848 4721696