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2526920389 = 72711133157
BaseRepresentation
bin1001011010011101…
…1011111011000101
320112002211212010001
42112213123323011
520133342423024
61054424401301
7116422316560
oct22647337305
96462755101
102526920389
111087420764
125a6316231
13313696786
1419d85b4d7
15ebc97244
hex969dbec5

2526920389 has 8 divisors (see below), whose sum is σ = 2888995968. Its totient is φ = 2165116560.

The previous prime is 2526920359. The next prime is 2526920393. The reversal of 2526920389 is 9830296252.

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

It is a cyclic number.

It is not a de Polignac number, because 2526920389 - 27 = 2526920261 is a prime.

It is a super-2 number, since 2×25269203892 = 12770653304687822642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2526920339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47602 + ... + 85555.

It is an arithmetic number, because the mean of its divisors is an integer number (361124496).

Almost surely, 22526920389 is an apocalyptic number.

It is an amenable number.

2526920389 is a deficient number, since it is larger than the sum of its proper divisors (362075579).

2526920389 is a wasteful number, since it uses less digits than its factorization.

2526920389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135875.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2526920389 is about 50268.4830584731. The cubic root of 2526920389 is about 1362.0629715157.

The spelling of 2526920389 in words is "two billion, five hundred twenty-six million, nine hundred twenty thousand, three hundred eighty-nine".

Divisors: 1 7 2711 18977 133157 932099 360988627 2526920389