Search a number
-
+
75475968 = 210379311
BaseRepresentation
bin1000111111110…
…10110000000000
312021000120120020
410133322300000
5123310212333
611253413440
71604351361
oct437726000
9167016506
1075475968
1139671237
122133a280
1312838149
14a049b68
15695d3b3
hex47fac00

75475968 has 88 divisors (see below), whose sum is σ = 204372480. Its totient is φ = 24760320.

The previous prime is 75475919. The next prime is 75475993. The reversal of 75475968 is 86957457.

It is a self number, because there is not a number n which added to its sum of digits gives 75475968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242533 + ... + 242843.

Almost surely, 275475968 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 75475968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102186240).

75475968 is an abundant number, since it is smaller than the sum of its proper divisors (128896512).

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

75475968 is a wasteful number, since it uses less digits than its factorization.

75475968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 395 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 75475968 is about 8687.6906022257. The cubic root of 75475968 is about 422.6065564600.

The spelling of 75475968 in words is "seventy-five million, four hundred seventy-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 79 96 128 158 192 237 256 311 316 384 474 512 622 632 768 933 948 1024 1244 1264 1536 1866 1896 2488 2528 3072 3732 3792 4976 5056 7464 7584 9952 10112 14928 15168 19904 20224 24569 29856 30336 39808 40448 49138 59712 60672 73707 79616 80896 98276 119424 121344 147414 159232 196552 238848 242688 294828 318464 393104 477696 589656 786208 955392 1179312 1572416 2358624 3144832 4717248 6289664 9434496 12579328 18868992 25158656 37737984 75475968