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488405797 = 1144400527
BaseRepresentation
bin11101000111000…
…111101100100101
31021001000120210121
4131013013230211
52000012441142
6120244121541
715050244415
oct3507075445
91231016717
10488405797
11230768560
121176962b1
137a255a19
1448c18645
152cd27c67
hex1d1c7b25

488405797 has 4 divisors (see below), whose sum is σ = 532806336. Its totient is φ = 444005260.

The previous prime is 488405779. The next prime is 488405807. The reversal of 488405797 is 797504884.

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 488405797 - 27 = 488405669 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 (488405707) 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, 22200253 + ... + 22200274.

It is an arithmetic number, because the mean of its divisors is an integer number (133201584).

Almost surely, 2488405797 is an apocalyptic number.

It is an amenable number.

488405797 is a deficient number, since it is larger than the sum of its proper divisors (44400539).

488405797 is a wasteful number, since it uses less digits than its factorization.

488405797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400538.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 488405797 is about 22099.9049092977. The cubic root of 488405797 is about 787.5176027643.

The spelling of 488405797 in words is "four hundred eighty-eight million, four hundred five thousand, seven hundred ninety-seven".

Divisors: 1 11 44400527 488405797