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80277070 = 258099923
BaseRepresentation
bin1001100100011…
…10111001001110
312121001111102211
410302032321032
5131022331240
611544341034
71663225636
oct462167116
9177044384
1080277070
1141350395
1222a7477a
1313829533
14a9396c6
1570aabea
hex4c8ee4e

80277070 has 16 divisors (see below), whose sum is σ = 144691920. Its totient is φ = 32067904.

The previous prime is 80277059. The next prime is 80277089. The reversal of 80277070 is 7077208.

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, 3129 + ... + 13051.

It is an arithmetic number, because the mean of its divisors is an integer number (9043245).

Almost surely, 280277070 is an apocalyptic number.

80277070 is a deficient number, since it is larger than the sum of its proper divisors (64414850).

80277070 is a wasteful number, since it uses less digits than its factorization.

80277070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739.

The product of its (nonzero) digits is 5488, while the sum is 31.

The square root of 80277070 is about 8959.7472062553. The cubic root of 80277070 is about 431.3838058502.

The spelling of 80277070 in words is "eighty million, two hundred seventy-seven thousand, seventy".

Divisors: 1 2 5 10 809 1618 4045 8090 9923 19846 49615 99230 8027707 16055414 40138535 80277070