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4494492690 = 235149816423
BaseRepresentation
bin1000010111110010…
…01000010000010010
3102121020011212220020
410023321020100102
533201042231230
62021552324310
7216243362142
oct41371102022
912536155806
104494492690
1119a7029976
12a55243696
135681c8b3c
14308cb4922
151b48a1810
hex10be48412

4494492690 has 16 divisors (see below), whose sum is σ = 10786782528. Its totient is φ = 1198531376.

The previous prime is 4494492677. The next prime is 4494492701. The reversal of 4494492690 is 962944944.

It is a super-2 number, since 2×44944926902 = 40400929080926872200, which contains 22 as substring.

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, 74908182 + ... + 74908241.

It is an arithmetic number, because the mean of its divisors is an integer number (674173908).

Almost surely, 24494492690 is an apocalyptic number.

4494492690 is an abundant number, since it is smaller than the sum of its proper divisors (6292289838).

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

4494492690 is a wasteful number, since it uses less digits than its factorization.

4494492690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149816433.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 4494492690 is about 67040.9776927515. The cubic root of 4494492690 is about 1650.2898407270.

The spelling of 4494492690 in words is "four billion, four hundred ninety-four million, four hundred ninety-two thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 149816423 299632846 449449269 749082115 898898538 1498164230 2247246345 4494492690