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753389897 = 13353164173
BaseRepresentation
bin101100111001111…
…101000101001001
31221111122011122112
4230321331011021
53020331434042
6202431432105
724445465001
oct5471750511
91844564575
10753389897
113572a5a87
12190385635
13c0113750
14720b5001
154621b982
hex2ce7d149

753389897 has 8 divisors (see below), whose sum is σ = 813646344. Its totient is φ = 693462528.

The previous prime is 753389891. The next prime is 753389911. The reversal of 753389897 is 798983357.

It can be written as a sum of positive squares in 4 ways, for example, as 136165561 + 617224336 = 11669^2 + 24844^2 .

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 753389897 - 28 = 753389641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (753389891) 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, 77498 + ... + 86675.

It is an arithmetic number, because the mean of its divisors is an integer number (101705793).

Almost surely, 2753389897 is an apocalyptic number.

It is an amenable number.

753389897 is a deficient number, since it is larger than the sum of its proper divisors (60256447).

753389897 is a wasteful number, since it uses less digits than its factorization.

753389897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164539.

The product of its digits is 11430720, while the sum is 59.

The square root of 753389897 is about 27447.9488669008. The cubic root of 753389897 is about 909.9270951536.

The spelling of 753389897 in words is "seven hundred fifty-three million, three hundred eighty-nine thousand, eight hundred ninety-seven".

Divisors: 1 13 353 4589 164173 2134249 57953069 753389897