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47980148 = 2230673911
BaseRepresentation
bin1011011100000…
…1111001110100
310100021122101112
42313001321310
544240331043
64432214152
71121552546
oct267017164
9110248345
1047980148
11250a1217
121409a358
139c2bc28
14652d696
15432b518
hex2dc1e74

47980148 has 12 divisors (see below), whose sum is σ = 84014112. Its totient is φ = 23976120.

The previous prime is 47980133. The next prime is 47980183. The reversal of 47980148 is 84108974.

It is a happy number.

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, 10313 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (7001176).

Almost surely, 247980148 is an apocalyptic number.

It is an amenable number.

47980148 is a deficient number, since it is larger than the sum of its proper divisors (36033964).

47980148 is a wasteful number, since it uses less digits than its factorization.

47980148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6980 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 47980148 is about 6926.7703874172. The cubic root of 47980148 is about 363.3740096049.

The spelling of 47980148 in words is "forty-seven million, nine hundred eighty thousand, one hundred forty-eight".

Divisors: 1 2 4 3067 3911 6134 7822 12268 15644 11995037 23990074 47980148