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1102201409 = 17531223309
BaseRepresentation
bin100000110110010…
…0100001001000001
32211210222122002102
41001230210021001
54224130421114
6301212000145
736212362121
oct10154441101
92753878072
101102201409
11516189261
12269160055
131474719aa
14a6552c81
1566b6d2de
hex41b24241

1102201409 has 8 divisors (see below), whose sum is σ = 1189057320. Its totient is φ = 1017792256.

The previous prime is 1102201403. The next prime is 1102201411. The reversal of 1102201409 is 9041022011.

It can be written as a sum of positive squares in 4 ways, for example, as 429940225 + 672261184 = 20735^2 + 25928^2 .

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 1102201409 - 24 = 1102201393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102201403) 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, 610754 + ... + 612555.

It is an arithmetic number, because the mean of its divisors is an integer number (148632165).

Almost surely, 21102201409 is an apocalyptic number.

It is an amenable number.

1102201409 is a deficient number, since it is larger than the sum of its proper divisors (86855911).

1102201409 is a wasteful number, since it uses less digits than its factorization.

1102201409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223379.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1102201409 is about 33199.4188051538. The cubic root of 1102201409 is about 1032.9682840834.

The spelling of 1102201409 in words is "one billion, one hundred two million, two hundred one thousand, four hundred nine".

Divisors: 1 17 53 901 1223309 20796253 64835377 1102201409