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2047345221 = 33001227407
BaseRepresentation
bin111101000001000…
…0000001001000101
312021200102220122210
41322002000021011
513143110021341
6535053414033
7101510101335
oct17202001105
95250386583
102047345221
11960744849
1249179a319
1326821329c
14155ca10c5
15beb15c16
hex7a080245

2047345221 has 8 divisors (see below), whose sum is σ = 2730715264. Its totient is φ = 1364436000.

The previous prime is 2047345217. The next prime is 2047345259. The reversal of 2047345221 is 1225437402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2047345221 - 22 = 2047345217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047345211) 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, 104701 + ... + 122706.

It is an arithmetic number, because the mean of its divisors is an integer number (341339408).

Almost surely, 22047345221 is an apocalyptic number.

It is an amenable number.

2047345221 is a deficient number, since it is larger than the sum of its proper divisors (683370043).

2047345221 is a wasteful number, since it uses less digits than its factorization.

2047345221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230411.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 2047345221 is about 45247.5990633757. The cubic root of 2047345221 is about 1269.7854890142.

The spelling of 2047345221 in words is "two billion, forty-seven million, three hundred forty-five thousand, two hundred twenty-one".

Divisors: 1 3 3001 9003 227407 682221 682448407 2047345221