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80103497 = 770310399
BaseRepresentation
bin1001100011001…
…00100001001001
312120201200100012
410301210201021
5131001302442
611540521305
71661603615
oct461444111
9176650305
1080103497
1141241a41
12229b0235
1313798526
14a8d2345
157074582
hex4c64849

80103497 has 4 divisors (see below), whose sum is σ = 80121600. Its totient is φ = 80085396.

The previous prime is 80103467. The next prime is 80103523. The reversal of 80103497 is 79430108.

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 80103497 - 28 = 80103241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80103467) 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, 2504 + ... + 12902.

It is an arithmetic number, because the mean of its divisors is an integer number (20030400).

Almost surely, 280103497 is an apocalyptic number.

It is an amenable number.

80103497 is a deficient number, since it is larger than the sum of its proper divisors (18103).

80103497 is a wasteful number, since it uses less digits than its factorization.

80103497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 80103497 is about 8950.0556981507. The cubic root of 80103497 is about 431.0726725396.

The spelling of 80103497 in words is "eighty million, one hundred three thousand, four hundred ninety-seven".

Divisors: 1 7703 10399 80103497