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1613490697 = 713193130103
BaseRepresentation
bin110000000101011…
…1110101000001001
311011110001211010201
41200022332220021
511301023200242
6424034412201
754661305340
oct14012765011
94143054121
101613490697
11758856495
12390431061
131c937a430
14114406b57
15969b64b7
hex602bea09

1613490697 has 32 divisors (see below), whose sum is σ = 2157854720. Its totient is φ = 1170365760.

The previous prime is 1613490679. The next prime is 1613490721. The reversal of 1613490697 is 7960943161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1613490697 - 27 = 1613490569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1613490617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38548 + ... + 68650.

It is an arithmetic number, because the mean of its divisors is an integer number (67432960).

Almost surely, 21613490697 is an apocalyptic number.

It is an amenable number.

1613490697 is a deficient number, since it is larger than the sum of its proper divisors (544364023).

1613490697 is a wasteful number, since it uses less digits than its factorization.

1613490697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30173.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1613490697 is about 40168.2797366280. The cubic root of 1613490697 is about 1172.8851524039.

The spelling of 1613490697 in words is "one billion, six hundred thirteen million, four hundred ninety thousand, six hundred ninety-seven".

Divisors: 1 7 13 19 31 91 133 217 247 403 589 1729 2821 4123 7657 30103 53599 210721 391339 571957 933193 2739373 4003699 6532351 7435441 12131509 17730667 52048087 84920563 124114669 230498671 1613490697