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75696672 = 25337101211
BaseRepresentation
bin1001000001100…
…00101000100000
312021102210022110
410200300220200
5123334243142
611302235320
71606261002
oct440605040
9167383273
1075696672
1139802037
1221425b40
13128b473c
14a0a6372
1569a399c
hex4830a20

75696672 has 96 divisors (see below), whose sum is σ = 207071424. Its totient is φ = 24192000.

The previous prime is 75696629. The next prime is 75696679. The reversal of 75696672 is 27669657.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (75696679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358647 + ... + 358857.

It is an arithmetic number, because the mean of its divisors is an integer number (2156994).

Almost surely, 275696672 is an apocalyptic number.

75696672 is the 7104-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75696672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103535712).

75696672 is an abundant number, since it is smaller than the sum of its proper divisors (131374752).

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

75696672 is a wasteful number, since it uses less digits than its factorization.

75696672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 75696672 is about 8700.3834398261. The cubic root of 75696672 is about 423.0180790243.

It can be divided in two parts, 7569 and 6672, that added together give a palindrome (14241).

The spelling of 75696672 in words is "seventy-five million, six hundred ninety-six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 74 96 101 111 148 202 211 222 296 303 404 422 444 592 606 633 808 844 888 1184 1212 1266 1616 1688 1776 2424 2532 3232 3376 3552 3737 4848 5064 6752 7474 7807 9696 10128 11211 14948 15614 20256 21311 22422 23421 29896 31228 42622 44844 46842 59792 62456 63933 85244 89688 93684 119584 124912 127866 170488 179376 187368 249824 255732 340976 358752 374736 511464 681952 749472 788507 1022928 1577014 2045856 2365521 3154028 4731042 6308056 9462084 12616112 18924168 25232224 37848336 75696672