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211002049 = 1926874133
BaseRepresentation
bin11001001001110…
…10001011000001
3112201001000101201
430210322023001
5413004031144
632534301201
75141326216
oct1444721301
9481030351
10211002049
11a9117a65
125a7b7801
1334939cab
1420047b0d
15137ce1d4
hexc93a2c1

211002049 has 8 divisors (see below), whose sum is σ = 222243840. Its totient is φ = 199773936.

The previous prime is 211002037. The next prime is 211002053. The reversal of 211002049 is 940200112.

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

It is a cyclic number.

It is not a de Polignac number, because 211002049 - 29 = 211001537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002059) 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, 48987 + ... + 53119.

It is an arithmetic number, because the mean of its divisors is an integer number (27780480).

Almost surely, 2211002049 is an apocalyptic number.

It is an amenable number.

211002049 is a deficient number, since it is larger than the sum of its proper divisors (11241791).

211002049 is a wasteful number, since it uses less digits than its factorization.

211002049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 211002049 is about 14525.9095756514. The cubic root of 211002049 is about 595.3361083847.

The spelling of 211002049 in words is "two hundred eleven million, two thousand, forty-nine".

Divisors: 1 19 2687 4133 51053 78527 11105371 211002049