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1830328572 = 2231271201003
BaseRepresentation
bin110110100011000…
…1001100011111100
311201120002022210010
41231012021203330
512222031003242
6501342143220
763233351622
oct15506114374
94646068703
101830328572
1185a199a46
12430b81b10
1323227b777
1413512d512
15aaa4989c
hex6d1898fc

1830328572 has 24 divisors (see below), whose sum is σ = 4304398336. Its totient is φ = 605305008.

The previous prime is 1830328571. The next prime is 1830328589. The reversal of 1830328572 is 2758230381.

1830328572 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1830328572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1830328571) 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, 598978 + ... + 602025.

Almost surely, 21830328572 is an apocalyptic number.

1830328572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1830328572 is an abundant number, since it is smaller than the sum of its proper divisors (2474069764).

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

1830328572 is a wasteful number, since it uses less digits than its factorization.

1830328572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201137 (or 1201135 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1830328572 is about 42782.3394872230. The cubic root of 1830328572 is about 1223.2344015075.

The spelling of 1830328572 in words is "one billion, eight hundred thirty million, three hundred twenty-eight thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 1201003 2402006 3603009 4804012 7206018 14412036 152527381 305054762 457582143 610109524 915164286 1830328572