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2026040497 = 13155849269
BaseRepresentation
bin111100011000010…
…1110110010110001
312020012100112001221
41320300232302301
513122131243442
6533013025041
7101131026415
oct17060566261
95205315057
102026040497
1194a713238
12486625181
13263994040
14153116d45
15bcd08467
hex78c2ecb1

2026040497 has 4 divisors (see below), whose sum is σ = 2181889780. Its totient is φ = 1870191216.

The previous prime is 2026040483. The next prime is 2026040521. The reversal of 2026040497 is 7940406202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7940406202 = 23970203101.

It can be written as a sum of positive squares in 2 ways, for example, as 679957776 + 1346082721 = 26076^2 + 36689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2026040497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026040447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77924622 + ... + 77924647.

It is an arithmetic number, because the mean of its divisors is an integer number (545472445).

Almost surely, 22026040497 is an apocalyptic number.

It is an amenable number.

2026040497 is a deficient number, since it is larger than the sum of its proper divisors (155849283).

2026040497 is a wasteful number, since it uses less digits than its factorization.

2026040497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155849282.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2026040497 is about 45011.5595930645. The cubic root of 2026040497 is about 1265.3656495308.

Adding to 2026040497 its reverse (7940406202), we get a palindrome (9966446699).

The spelling of 2026040497 in words is "two billion, twenty-six million, forty thousand, four hundred ninety-seven".

Divisors: 1 13 155849269 2026040497