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80104748 = 221710311437
BaseRepresentation
bin1001100011001…
…00110100101100
312120201202001112
410301210310230
5131001322443
611540531152
71661610353
oct461446454
9176652045
1080104748
1141242979
12229b0ab8
1313798c79
14a8d299a
157074b18
hex4c64d2c

80104748 has 24 divisors (see below), whose sum is σ = 149883552. Its totient is φ = 37327104.

The previous prime is 80104721. The next prime is 80104763. The reversal of 80104748 is 84740108.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 1286 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (6245148).

Almost surely, 280104748 is an apocalyptic number.

It is an amenable number.

80104748 is a deficient number, since it is larger than the sum of its proper divisors (69778804).

80104748 is a wasteful number, since it uses less digits than its factorization.

80104748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561 (or 11559 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 80104748 is about 8950.1255857111. The cubic root of 80104748 is about 431.0749165911.

The spelling of 80104748 in words is "eighty million, one hundred four thousand, seven hundred forty-eight".

Divisors: 1 2 4 17 34 68 103 206 412 1751 3502 7004 11437 22874 45748 194429 388858 777716 1178011 2356022 4712044 20026187 40052374 80104748