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8194880372 = 227739396041
BaseRepresentation
bin1111010000111001…
…11111001101110100
3210011010010001111212
413220130333031310
5113240342132442
63433100420552
7410035222340
oct75034771564
923133101455
108194880372
113525883a08
121708547758
13a07a27053
1457a516620
1532e692a82
hex1e873f374

8194880372 has 24 divisors (see below), whose sum is σ = 16411980480. Its totient is φ = 3507330240.

The previous prime is 8194880363. The next prime is 8194880387. The reversal of 8194880372 is 2730884918.

It is a super-2 number, since 2×81948803722 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8194880372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177329 + ... + 218712.

It is an arithmetic number, because the mean of its divisors is an integer number (683832520).

Almost surely, 28194880372 is an apocalyptic number.

It is an amenable number.

8194880372 is an abundant number, since it is smaller than the sum of its proper divisors (8217100108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8194880372 is a wasteful number, since it uses less digits than its factorization.

8194880372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396791 (or 396789 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 8194880372 is about 90525.5785510372. The cubic root of 8194880372 is about 2016.1099178568.

The spelling of 8194880372 in words is "eight billion, one hundred ninety-four million, eight hundred eighty thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 739 1478 2956 5173 10346 20692 396041 792082 1584164 2772287 5544574 11089148 292674299 585348598 1170697196 2048720093 4097440186 8194880372