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3199370320 = 24539992129
BaseRepresentation
bin1011111010110010…
…1000010001010000
322020222011212000001
42332230220101100
523023014322240
61245245335344
7142166125156
oct27654502120
98228155001
103199370320
1113a1a63303
12753567554
133bcaab043
14224ca33d6
1513ad2689a
hexbeb28450

3199370320 has 20 divisors (see below), whose sum is σ = 7438536180. Its totient is φ = 1279748096.

The previous prime is 3199370269. The next prime is 3199370327. The reversal of 3199370320 is 230739913.

It can be written as a sum of positive squares in 2 ways, for example, as 2466910224 + 732460096 = 49668^2 + 27064^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3199370320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3199370327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19995985 + ... + 19996144.

It is an arithmetic number, because the mean of its divisors is an integer number (371926809).

Almost surely, 23199370320 is an apocalyptic number.

It is an amenable number.

3199370320 is an abundant number, since it is smaller than the sum of its proper divisors (4239165860).

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

3199370320 is a wasteful number, since it uses less digits than its factorization.

3199370320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39992142 (or 39992136 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 3199370320 is about 56562.9765836276. The cubic root of 3199370320 is about 1473.5159364092.

The spelling of 3199370320 in words is "three billion, one hundred ninety-nine million, three hundred seventy thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 39992129 79984258 159968516 199960645 319937032 399921290 639874064 799842580 1599685160 3199370320