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5420649829 = 7774378547
BaseRepresentation
bin1010000110001100…
…01000110101100101
3111222202220112122111
411003012020311211
542100141243304
62253515201021
7251220522550
oct50306106545
914882815574
105420649829
1123318a74a1
121073446171
1368505030a
14395cbd697
1521ad48704
hex143188d65

5420649829 has 4 divisors (see below), whose sum is σ = 6195028384. Its totient is φ = 4646271276.

The previous prime is 5420649823. The next prime is 5420649877. The reversal of 5420649829 is 9289460245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5420649829 - 29 = 5420649317 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 (5420649823) 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, 387189267 + ... + 387189280.

It is an arithmetic number, because the mean of its divisors is an integer number (1548757096).

Almost surely, 25420649829 is an apocalyptic number.

It is an amenable number.

5420649829 is a deficient number, since it is larger than the sum of its proper divisors (774378555).

5420649829 is an equidigital number, since it uses as much as digits as its factorization.

5420649829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774378554.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 5420649829 is about 73625.0625059157. The cubic root of 5420649829 is about 1756.6441119485.

The spelling of 5420649829 in words is "five billion, four hundred twenty million, six hundred forty-nine thousand, eight hundred twenty-nine".

Divisors: 1 7 774378547 5420649829