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1102948213 = 29149255253
BaseRepresentation
bin100000110111101…
…1010011101110101
32211212101120111211
41001233122131311
54224323320323
6301240001421
736221622313
oct10157323565
92755346454
101102948213
11516649354
12269460271
131476738a3
14a66a90b3
1566c6970d
hex41bda775

1102948213 has 8 divisors (see below), whose sum is σ = 1148643000. Its totient is φ = 1057764288.

The previous prime is 1102948211. The next prime is 1102948241. The reversal of 1102948213 is 3128492011.

It can be written as a sum of positive squares in 4 ways, for example, as 223113969 + 879834244 = 14937^2 + 29662^2 .

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 1102948213 - 21 = 1102948211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102948211) 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, 123306 + ... + 131947.

It is an arithmetic number, because the mean of its divisors is an integer number (143580375).

Almost surely, 21102948213 is an apocalyptic number.

It is an amenable number.

1102948213 is a deficient number, since it is larger than the sum of its proper divisors (45694787).

1102948213 is a wasteful number, since it uses less digits than its factorization.

1102948213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255431.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1102948213 is about 33210.6641457228. The cubic root of 1102948213 is about 1033.2015296220.

The spelling of 1102948213 in words is "one billion, one hundred two million, nine hundred forty-eight thousand, two hundred thirteen".

Divisors: 1 29 149 4321 255253 7402337 38032697 1102948213