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1345442212 = 221917703187
BaseRepresentation
bin101000000110001…
…1101000110100100
310110202200112202001
41100030131012210
510223413122322
6341301255044
745225033022
oct12014350644
93422615661
101345442212
11630515714
12316704484
1318598896a
14ca98d712
157d1b9827
hex5031d1a4

1345442212 has 12 divisors (see below), whose sum is σ = 2478446320. Its totient is φ = 637314696.

The previous prime is 1345442207. The next prime is 1345442221. The reversal of 1345442212 is 2122445431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8851518 + ... + 8851669.

Almost surely, 21345442212 is an apocalyptic number.

It is an amenable number.

1345442212 is a deficient number, since it is larger than the sum of its proper divisors (1133004108).

1345442212 is a wasteful number, since it uses less digits than its factorization.

1345442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703210 (or 17703208 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1345442212 is about 36680.2700644365. The cubic root of 1345442212 is about 1103.9642668981.

Adding to 1345442212 its reverse (2122445431), we get a palindrome (3467887643).

The spelling of 1345442212 in words is "one billion, three hundred forty-five million, four hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 17703187 35406374 70812748 336360553 672721106 1345442212