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80471403 = 3219470593
BaseRepresentation
bin1001100101111…
…10010101101011
312121102101000100
410302332111223
5131100041103
611552440443
71664665335
oct462762553
9177371010
1080471403
11414733a1
1222b49123
1313896b1c
14a98a455
1570e85a3
hex4cbe56b

80471403 has 12 divisors (see below), whose sum is σ = 122354440. Its totient is φ = 50823936.

The previous prime is 80471359. The next prime is 80471407. The reversal of 80471403 is 30417408.

It is a de Polignac number, because none of the positive numbers 2k-80471403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80471407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235126 + ... + 235467.

Almost surely, 280471403 is an apocalyptic number.

80471403 is a deficient number, since it is larger than the sum of its proper divisors (41883037).

80471403 is a wasteful number, since it uses less digits than its factorization.

80471403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470618 (or 470615 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80471403 is about 8970.5854324007. The cubic root of 80471403 is about 431.7316202122.

The spelling of 80471403 in words is "eighty million, four hundred seventy-one thousand, four hundred three".

Divisors: 1 3 9 19 57 171 470593 1411779 4235337 8941267 26823801 80471403