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80407295 = 525216379
BaseRepresentation
bin1001100101011…
…10101011111111
312121022010001222
410302232223333
5131041013140
611551223555
71664310413
oct462565377
9177263058
1080407295
114142a211
1222b17bbb
13138738a7
14a970d43
1570d45b5
hex4caeaff

80407295 has 8 divisors (see below), whose sum is σ = 96542160. Its totient is φ = 64290240.

The previous prime is 80407289. The next prime is 80407309. The reversal of 80407295 is 59270408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80407295 - 26 = 80407231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9416 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (12067770).

Almost surely, 280407295 is an apocalyptic number.

80407295 is a deficient number, since it is larger than the sum of its proper divisors (16134865).

80407295 is a wasteful number, since it uses less digits than its factorization.

80407295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8905.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 80407295 is about 8967.0114865545. The cubic root of 80407295 is about 431.6169426052.

The spelling of 80407295 in words is "eighty million, four hundred seven thousand, two hundred ninety-five".

Divisors: 1 5 2521 6379 12605 31895 16081459 80407295