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2092491493 = 2391619931
BaseRepresentation
bin111110010111000…
…1110001011100101
312101211101120200221
41330232032023211
513241134211433
6543345204341
7102565612201
oct17456161345
95354346627
102092491493
1198417a914
124a49306b1
1327468c361
1415bc93b01
15c3a8272d
hex7cb8e2e5

2092491493 has 8 divisors (see below), whose sum is σ = 2183927616. Its totient is φ = 2001093600.

The previous prime is 2092491487. The next prime is 2092491553. The reversal of 2092491493 is 3941942902.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2092491493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2092491593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205738 + ... + 215668.

It is an arithmetic number, because the mean of its divisors is an integer number (272990952).

Almost surely, 22092491493 is an apocalyptic number.

2092491493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2092491493 is a deficient number, since it is larger than the sum of its proper divisors (91436123).

2092491493 is an equidigital number, since it uses as much as digits as its factorization.

2092491493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2092491493 is about 45743.7590606631. The cubic root of 2092491493 is about 1279.0511141721.

The spelling of 2092491493 in words is "two billion, ninety-two million, four hundred ninety-one thousand, four hundred ninety-three".

Divisors: 1 23 9161 9931 210703 228413 90977891 2092491493