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47378054 = 2294991637
BaseRepresentation
bin1011010010111…
…0111010000110
310022011001110202
42310232322012
544112044204
64411250502
71113464303
oct264567206
9108131422
1047378054
112481a919
1213a49a32
139a7ab69
1464140aa
15425ce1e
hex2d2ee86

47378054 has 16 divisors (see below), whose sum is σ = 73710000. Its totient is φ = 22812384.

The previous prime is 47378053. The next prime is 47378081. The reversal of 47378054 is 45087374.

It is a junction number, because it is equal to n+sod(n) for n = 47377999 and 47378017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47378053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28124 + ... + 29760.

It is an arithmetic number, because the mean of its divisors is an integer number (4606875).

Almost surely, 247378054 is an apocalyptic number.

47378054 is a deficient number, since it is larger than the sum of its proper divisors (26331946).

47378054 is a wasteful number, since it uses less digits than its factorization.

47378054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 47378054 is about 6883.1717979432. The cubic root of 47378054 is about 361.8476358888.

The spelling of 47378054 in words is "forty-seven million, three hundred seventy-eight thousand, fifty-four".

Divisors: 1 2 29 58 499 998 1637 3274 14471 28942 47473 94946 816863 1633726 23689027 47378054