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5211004220 = 2251719806657
BaseRepresentation
bin1001101101001100…
…11001110100111100
3111110011102102221022
410312212121310330
541133004113340
62221025523312
7243063543062
oct46646316474
914404372838
105211004220
112234526664
1210151a3538
13650799866
1437610a032
152077363b5
hex136999d3c

5211004220 has 48 divisors (see below), whose sum is σ = 12196668960. Its totient is φ = 1858535424.

The previous prime is 5211004151. The next prime is 5211004243. The reversal of 5211004220 is 224001125.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent 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, 396869 + ... + 409788.

It is an arithmetic number, because the mean of its divisors is an integer number (254097270).

Almost surely, 25211004220 is an apocalyptic number.

It is an amenable number.

5211004220 is an abundant number, since it is smaller than the sum of its proper divisors (6985664740).

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

5211004220 is a wasteful number, since it uses less digits than its factorization.

5211004220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806702 (or 806700 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5211004220 is about 72187.2857226257. The cubic root of 5211004220 is about 1733.6994375433.

Adding to 5211004220 its reverse (224001125), we get a palindrome (5435005345).

The spelling of 5211004220 in words is "five billion, two hundred eleven million, four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 3230 6460 806657 1613314 3226628 4033285 8066570 13713169 15326483 16133140 27426338 30652966 54852676 61305932 68565845 76632415 137131690 153264830 260550211 274263380 306529660 521100422 1042200844 1302751055 2605502110 5211004220