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3270790480 = 245172404993
BaseRepresentation
bin1100001011110100…
…0100110101010000
322102221120101001011
43002331010311100
523144310243410
61300320220304
7144024155206
oct30275046520
98387511034
103270790480
111429304331
1277346a694
134018260a9
14230575076
1514223318a
hexc2f44d50

3270790480 has 40 divisors (see below), whose sum is σ = 8051919912. Its totient is φ = 1231355904.

The previous prime is 3270790459. The next prime is 3270790487. The reversal of 3270790480 is 840970723.

It can be written as a sum of positive squares in 4 ways, for example, as 1000077376 + 2270713104 = 31624^2 + 47652^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3270790487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201137 + ... + 1203856.

Almost surely, 23270790480 is an apocalyptic number.

It is an amenable number.

3270790480 is an abundant number, since it is smaller than the sum of its proper divisors (4781129432).

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

3270790480 is a wasteful number, since it uses less digits than its factorization.

3270790480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405023 (or 2405017 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 3270790480 is about 57190.8251383034. The cubic root of 3270790480 is about 1484.3998723840.

The spelling of 3270790480 in words is "three billion, two hundred seventy million, seven hundred ninety thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 2404993 4809986 9619972 12024965 19239944 24049930 38479888 40884881 48099860 81769762 96199720 163539524 192399440 204424405 327079048 408848810 654158096 817697620 1635395240 3270790480