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47869401 = 329569967
BaseRepresentation
bin1011011010011…
…0110111011001
310100002000110210
42312212313121
544223310101
64430001333
71120611636
oct266466731
9110060423
1047869401
1125025a98
1214046249
139bc06b8
14650118d
1543087d6
hex2da6dd9

47869401 has 16 divisors (see below), whose sum is σ = 66211200. Its totient is φ = 30726528.

The previous prime is 47869397. The next prime is 47869411. The reversal of 47869401 is 10496874.

It is a happy number.

It is not a de Polignac number, because 47869401 - 22 = 47869397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47869401.

It is not an unprimeable number, because it can be changed into a prime (47869411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49020 + ... + 49986.

It is an arithmetic number, because the mean of its divisors is an integer number (4138200).

Almost surely, 247869401 is an apocalyptic number.

It is an amenable number.

47869401 is a deficient number, since it is larger than the sum of its proper divisors (18341799).

47869401 is a wasteful number, since it uses less digits than its factorization.

47869401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47869401 is about 6918.7716395326. The cubic root of 47869401 is about 363.0942162229.

The spelling of 47869401 in words is "forty-seven million, eight hundred sixty-nine thousand, four hundred one".

Divisors: 1 3 29 87 569 967 1707 2901 16501 28043 49503 84129 550223 1650669 15956467 47869401