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1370717497 = 1780630441
BaseRepresentation
bin101000110110011…
…0111110100111001
310112112020122220201
41101230313310321
510301400424442
6344003122201
745652622632
oct12154676471
93475218821
101370717497
11643809386
12323073361
1318ac98256
14d008c889
158050d7b7
hex51b37d39

1370717497 has 4 divisors (see below), whose sum is σ = 1451347956. Its totient is φ = 1290087040.

The previous prime is 1370717473. The next prime is 1370717501. The reversal of 1370717497 is 7947170731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7947170731 = 59134697809.

It can be written as a sum of positive squares in 2 ways, for example, as 493906176 + 876811321 = 22224^2 + 29611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1370717497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370711497) 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, 40315204 + ... + 40315237.

It is an arithmetic number, because the mean of its divisors is an integer number (362836989).

Almost surely, 21370717497 is an apocalyptic number.

1370717497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1370717497 is a deficient number, since it is larger than the sum of its proper divisors (80630459).

1370717497 is an equidigital number, since it uses as much as digits as its factorization.

1370717497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80630458.

The product of its (nonzero) digits is 259308, while the sum is 46.

The square root of 1370717497 is about 37023.2021440610. The cubic root of 1370717497 is about 1110.8343960223.

The spelling of 1370717497 in words is "one billion, three hundred seventy million, seven hundred seventeen thousand, four hundred ninety-seven".

Divisors: 1 17 80630441 1370717497