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48641661 = 332297867
BaseRepresentation
bin1011100110001…
…1011001111101
310101112020211000
42321203121331
544423013121
64454320513
71130306265
oct271433175
9111466730
1048641661
1125503222
1214359139
13a101063
1466627a5
15440c526
hex2e6367d

48641661 has 16 divisors (see below), whose sum is σ = 72385600. Its totient is φ = 32282064.

The previous prime is 48641657. The next prime is 48641669. The reversal of 48641661 is 16614684.

48641661 is a `hidden beast` number, since 4 + 8 + 641 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 48641661 - 22 = 48641657 is a prime.

It is a super-2 number, since 2×486416612 = 4732022369677842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48641669) 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, 2250 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (4524100).

Almost surely, 248641661 is an apocalyptic number.

It is an amenable number.

48641661 is a deficient number, since it is larger than the sum of its proper divisors (23743939).

48641661 is a wasteful number, since it uses less digits than its factorization.

48641661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105 (or 8099 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 48641661 is about 6974.3573897528. The cubic root of 48641661 is about 365.0363659269.

The spelling of 48641661 in words is "forty-eight million, six hundred forty-one thousand, six hundred sixty-one".

Divisors: 1 3 9 27 229 687 2061 6183 7867 23601 70803 212409 1801543 5404629 16213887 48641661