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2250030728 = 231143594617
BaseRepresentation
bin1000011000011100…
…1011111010001000
312210210211101220102
42012013023322020
514102001440403
61011133544532
7106520642231
oct20607137210
95723741812
102250030728
11a550a1430
12529645148
1329b1caa3a
14174b82088
15d2800b88
hex861cbe88

2250030728 has 32 divisors (see below), whose sum is σ = 4709374560. Its totient is φ = 998954880.

The previous prime is 2250030719. The next prime is 2250030737. The reversal of 2250030728 is 8270300522.

It is an interprime number because it is at equal distance from previous prime (2250030719) and next prime (2250030737).

It is a self number, because there is not a number n which added to its sum of digits gives 2250030728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293525 + ... + 301092.

It is an arithmetic number, because the mean of its divisors is an integer number (147167955).

Almost surely, 22250030728 is an apocalyptic number.

It is an amenable number.

2250030728 is an abundant number, since it is smaller than the sum of its proper divisors (2459343832).

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

2250030728 is a wasteful number, since it uses less digits than its factorization.

2250030728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594677 (or 594673 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2250030728 is about 47434.4888029796. The cubic root of 2250030728 is about 1310.3766622730.

The spelling of 2250030728 in words is "two billion, two hundred fifty million, thirty thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 22 43 44 86 88 172 344 473 946 1892 3784 594617 1189234 2378468 4756936 6540787 13081574 25568531 26163148 51137062 52326296 102274124 204548248 281253841 562507682 1125015364 2250030728