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49657068 = 223217411979
BaseRepresentation
bin1011110101101…
…1010011101100
310110102211200200
42331123103230
5100203011233
64532153500
71142035536
oct275332354
9113384620
1049657068
11260370aa
1214768890
13a3982a6
146848856
15455d313
hex2f5b4ec

49657068 has 72 divisors (see below), whose sum is σ = 136216080. Its totient is φ = 15191040.

The previous prime is 49657061. The next prime is 49657079. The reversal of 49657068 is 86075694.

It is not an unprimeable number, because it can be changed into a prime (49657061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24103 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (1891890).

Almost surely, 249657068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49657068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68108040).

49657068 is an abundant number, since it is smaller than the sum of its proper divisors (86559012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49657068 is a wasteful number, since it uses less digits than its factorization.

49657068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 49657068 is about 7046.7771356841. Note that the first 3 decimals coincide. The cubic root of 49657068 is about 367.5589687409.

The spelling of 49657068 in words is "forty-nine million, six hundred fifty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 41 51 68 82 102 123 153 164 204 246 306 369 492 612 697 738 1394 1476 1979 2091 2788 3958 4182 5937 6273 7916 8364 11874 12546 17811 23748 25092 33643 35622 67286 71244 81139 100929 134572 162278 201858 243417 302787 324556 403716 486834 605574 730251 973668 1211148 1379363 1460502 2758726 2921004 4138089 5517452 8276178 12414267 16552356 24828534 49657068