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501763969 = 7229693449
BaseRepresentation
bin11101111010000…
…100111110000001
31021222011020202201
4131322010332001
52011422421334
6121442313201
715301631500
oct3572047601
91258136681
10501763969
11238261773
12120058801
137cc51c75
144a8d4837
152e0b5c14
hex1de84f81

501763969 has 12 divisors (see below), whose sum is σ = 584050500. Its totient is φ = 429813888.

The previous prime is 501763949. The next prime is 501763991. The reversal of 501763969 is 969367105.

It can be written as a sum of positive squares in 2 ways, for example, as 2822400 + 498941569 = 1680^2 + 22337^2 .

It is not a de Polignac number, because 501763969 - 27 = 501763841 is a prime.

It is a super-2 number, since 2×5017639692 = 503534161173265922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501763949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143757 + ... + 147205.

It is an arithmetic number, because the mean of its divisors is an integer number (48670875).

Almost surely, 2501763969 is an apocalyptic number.

It is an amenable number.

501763969 is a deficient number, since it is larger than the sum of its proper divisors (82286531).

501763969 is a wasteful number, since it uses less digits than its factorization.

501763969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 501763969 is about 22400.0885935748. The cubic root of 501763969 is about 794.6328059156.

It can be divided in two parts, 50176 and 3969, that multiplied together give a square (199148544 = 141122).

The spelling of 501763969 in words is "five hundred one million, seven hundred sixty-three thousand, nine hundred sixty-nine".

Divisors: 1 7 49 2969 3449 20783 24143 145481 169001 10240081 71680567 501763969