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47962138 = 2737531747
BaseRepresentation
bin1011011011110…
…1100000011010
310100020201200111
42312331200122
544234242023
64431554534
71121446210
oct266754032
9110221614
1047962138
1125089734
121408ba4a
139c23983
146526cb0
15432600d
hex2dbd81a

47962138 has 32 divisors (see below), whose sum is σ = 86085504. Its totient is φ = 19611072.

The previous prime is 47962121. The next prime is 47962139. The reversal of 47962138 is 83126974.

It is a self number, because there is not a number n which added to its sum of digits gives 47962138.

It is not an unprimeable number, because it can be changed into a prime (47962139) 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, 26581 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (2690172).

Almost surely, 247962138 is an apocalyptic number.

47962138 is a deficient number, since it is larger than the sum of its proper divisors (38123366).

47962138 is a wasteful number, since it uses less digits than its factorization.

47962138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 72576, while the sum is 40.

The square root of 47962138 is about 6925.4702367421. The cubic root of 47962138 is about 363.3285381256.

The spelling of 47962138 in words is "forty-seven million, nine hundred sixty-two thousand, one hundred thirty-eight".

Divisors: 1 2 7 14 37 53 74 106 259 371 518 742 1747 1961 3494 3922 12229 13727 24458 27454 64639 92591 129278 185182 452473 648137 904946 1296274 3425867 6851734 23981069 47962138