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1994041474 = 21123887819
BaseRepresentation
bin111011011011010…
…1010100010000010
312010222010210122221
41312312222202002
513040433311344
6525511121254
7100262033665
oct16666524202
95128123587
101994041474
11933647967
1247797322a
1325a16c1c9
1414cb876dc
15ba0d7184
hex76daa882

1994041474 has 8 divisors (see below), whose sum is σ = 2993729040. Its totient is φ = 996131796.

The previous prime is 1994041409. The next prime is 1994041487. The reversal of 1994041474 is 4741404991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1994041474.

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, 441664 + ... + 446155.

It is an arithmetic number, because the mean of its divisors is an integer number (374216130).

Almost surely, 21994041474 is an apocalyptic number.

1994041474 is a deficient number, since it is larger than the sum of its proper divisors (999687566).

1994041474 is a wasteful number, since it uses less digits than its factorization.

1994041474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888944.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1994041474 is about 44654.6915116430. The cubic root of 1994041474 is about 1258.6685932153.

The spelling of 1994041474 in words is "one billion, nine hundred ninety-four million, forty-one thousand, four hundred seventy-four".

Divisors: 1 2 1123 2246 887819 1775638 997020737 1994041474