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5724212257 = 7972458383
BaseRepresentation
bin1010101010011000…
…01000110000100001
3112202221010010000101
411111030020300201
543210344243012
62344001422401
7261565000321
oct52514106041
915687103011
105724212257
112478194435
12113903aa01
13702bc775a
143c433d281
1523780cd57
hex155308c21

5724212257 has 4 divisors (see below), whose sum is σ = 5796670720. Its totient is φ = 5651753796.

The previous prime is 5724212231. The next prime is 5724212267. The reversal of 5724212257 is 7522124275.

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 5724212257 - 27 = 5724212129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5724212267) 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, 36229113 + ... + 36229270.

It is an arithmetic number, because the mean of its divisors is an integer number (1449167680).

Almost surely, 25724212257 is an apocalyptic number.

It is an amenable number.

5724212257 is a deficient number, since it is larger than the sum of its proper divisors (72458463).

5724212257 is an equidigital number, since it uses as much as digits as its factorization.

5724212257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72458462.

The product of its digits is 78400, while the sum is 37.

The square root of 5724212257 is about 75658.5240207605. The cubic root of 5724212257 is about 1788.8416980141.

The spelling of 5724212257 in words is "five billion, seven hundred twenty-four million, two hundred twelve thousand, two hundred fifty-seven".

Divisors: 1 79 72458383 5724212257