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4779502420 = 2257112282143
BaseRepresentation
bin1000111001110000…
…10110101101010100
3110100002110212202011
410130320112231110
534242023034140
62110133154004
7226304046250
oct43470265524
913302425664
104779502420
1120329a4a00
12b1478b904
135b2278854
14334aa5260
151ce8edcea
hex11ce16b54

4779502420 has 72 divisors (see below), whose sum is σ = 12608451072. Its totient is φ = 1489709760.

The previous prime is 4779502369. The next prime is 4779502447. The reversal of 4779502420 is 242059774.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124132 + ... + 158011.

It is an arithmetic number, because the mean of its divisors is an integer number (175117376).

Almost surely, 24779502420 is an apocalyptic number.

It is an amenable number.

4779502420 is an abundant number, since it is smaller than the sum of its proper divisors (7828948652).

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

4779502420 is a wasteful number, since it uses less digits than its factorization.

4779502420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282181 (or 282168 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 4779502420 is about 69133.9454971290. The cubic root of 4779502420 is about 1684.4607478213.

The spelling of 4779502420 in words is "four billion, seven hundred seventy-nine million, five hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1540 1694 2420 3388 4235 8470 16940 282143 564286 1128572 1410715 1975001 2821430 3103573 3950002 5642860 6207146 7900004 9875005 12414292 15517865 19750010 21725011 31035730 34139303 39500020 43450022 62071460 68278606 86900044 108625055 136557212 170696515 217250110 238975121 341393030 434500220 477950242 682786060 955900484 1194875605 2389751210 4779502420