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5420202431 = 7887872959
BaseRepresentation
bin1010000110001000…
…11011100110111111
3111222202001210221012
411003010123212333
542100032434211
62253501425435
7251213650310
oct50304334677
914882053835
105420202431
112331621346
12107326b27b
13684c24797
14395c04607
1521acaad8b
hex14311b9bf

5420202431 has 8 divisors (see below), whose sum is σ = 6201507840. Its totient is φ = 4640644728.

The previous prime is 5420202427. The next prime is 5420202433. The reversal of 5420202431 is 1342020245.

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 not a de Polignac number, because 5420202431 - 22 = 5420202427 is a prime.

It is a super-2 number, since 2×54202024312 = 58757188786036619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5420202397 and 5420202406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420202433) 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, 430271 + ... + 442688.

It is an arithmetic number, because the mean of its divisors is an integer number (775188480).

Almost surely, 25420202431 is an apocalyptic number.

5420202431 is a deficient number, since it is larger than the sum of its proper divisors (781305409).

5420202431 is an equidigital number, since it uses as much as digits as its factorization.

5420202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873853.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 5420202431 is about 73622.0240892629. The cubic root of 5420202431 is about 1756.5957819075.

Adding to 5420202431 its reverse (1342020245), we get a palindrome (6762222676).

The spelling of 5420202431 in words is "five billion, four hundred twenty million, two hundred two thousand, four hundred thirty-one".

Divisors: 1 7 887 6209 872959 6110713 774314633 5420202431