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890725243 = 3571249433
BaseRepresentation
bin110101000101110…
…110001101111011
32022002001112022211
4311011312031323
53311011201433
6224215155551
731034016412
oct6505661573
92262045284
10890725243
11417878071
1220a375bb7
131126c9c75
1486424479
15532e88cd
hex3517637b

890725243 has 4 divisors (see below), whose sum is σ = 890978248. Its totient is φ = 890472240.

The previous prime is 890725229. The next prime is 890725271. The reversal of 890725243 is 342527098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 890725243 - 25 = 890725211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 890725196 and 890725205.

It is not an unprimeable number, because it can be changed into a prime (890722243) 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, 121146 + ... + 128287.

It is an arithmetic number, because the mean of its divisors is an integer number (222744562).

Almost surely, 2890725243 is an apocalyptic number.

890725243 is a deficient number, since it is larger than the sum of its proper divisors (253005).

890725243 is a wasteful number, since it uses less digits than its factorization.

890725243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253004.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 890725243 is about 29845.0204054211. The cubic root of 890725243 is about 962.1613783351.

The spelling of 890725243 in words is "eight hundred ninety million, seven hundred twenty-five thousand, two hundred forty-three".

Divisors: 1 3571 249433 890725243