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71920495 = 514384099
BaseRepresentation
bin1000100100101…
…10101101101111
312000022221101001
410102112231233
5121402423440
611045301131
71532212513
oct422265557
9160287331
1071920495
1137662a29
12201047a7
1311b91a0a
1497a2143
1564a9b9a
hex4496b6f

71920495 has 4 divisors (see below), whose sum is σ = 86304600. Its totient is φ = 57536392.

The previous prime is 71920487. The next prime is 71920501. The reversal of 71920495 is 59402917.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71920495 - 23 = 71920487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7192045 + ... + 7192054.

It is an arithmetic number, because the mean of its divisors is an integer number (21576150).

Almost surely, 271920495 is an apocalyptic number.

71920495 is a deficient number, since it is larger than the sum of its proper divisors (14384105).

71920495 is a wasteful number, since it uses less digits than its factorization.

71920495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384104.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 71920495 is about 8480.5952031682. The cubic root of 71920495 is about 415.8635813016.

The spelling of 71920495 in words is "seventy-one million, nine hundred twenty thousand, four hundred ninety-five".

Divisors: 1 5 14384099 71920495