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2198970652 = 22549742663
BaseRepresentation
bin1000001100010001…
…1010000100011100
312200020202021122111
42003010122010130
514000414030102
61002111323404
7105330641104
oct20304320434
95606667574
102198970652
11a2929721a
12514520564
13290760c88
1416c090204
15cd0b6cd7
hex8311a11c

2198970652 has 6 divisors (see below), whose sum is σ = 3848198648. Its totient is φ = 1099485324.

The previous prime is 2198970611. The next prime is 2198970661. The reversal of 2198970652 is 2560798912.

It is a junction number, because it is equal to n+sod(n) for n = 2198970596 and 2198970605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274871328 + ... + 274871335.

Almost surely, 22198970652 is an apocalyptic number.

It is an amenable number.

2198970652 is a deficient number, since it is larger than the sum of its proper divisors (1649227996).

2198970652 is a wasteful number, since it uses less digits than its factorization.

2198970652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549742667 (or 549742665 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 2198970652 is about 46893.1834278715. The cubic root of 2198970652 is about 1300.3885726007.

The spelling of 2198970652 in words is "two billion, one hundred ninety-eight million, nine hundred seventy thousand, six hundred fifty-two".

Divisors: 1 2 4 549742663 1099485326 2198970652