Search a number
-
+
70888104 = 23327271283
BaseRepresentation
bin1000011100110…
…10101010101000
311221101111012100
410032122222220
5121121404404
611011213400
71520352600
oct416325250
9157344170
1070888104
1137018311
121b8a7260
13118bcb31
1495b3c00
156353d39
hex439aaa8

70888104 has 144 divisors (see below), whose sum is σ = 227279520. Its totient is φ = 19897920.

The previous prime is 70888067. The next prime is 70888109. The reversal of 70888104 is 40188807.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70888109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 250347 + ... + 250629.

It is an arithmetic number, because the mean of its divisors is an integer number (1578330).

Almost surely, 270888104 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 70888104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113639760).

70888104 is an abundant number, since it is smaller than the sum of its proper divisors (156391416).

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

70888104 is a wasteful number, since it uses less digits than its factorization.

70888104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 70888104 is about 8419.5073490080. The cubic root of 70888104 is about 413.8641296068.

The spelling of 70888104 in words is "seventy million, eight hundred eighty-eight thousand, one hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 71 72 84 98 126 142 147 168 196 213 252 283 284 294 392 426 441 497 504 566 568 588 639 849 852 882 994 1132 1176 1278 1491 1698 1704 1764 1981 1988 2264 2547 2556 2982 3396 3479 3528 3962 3976 4473 5094 5112 5943 5964 6792 6958 7924 8946 10188 10437 11886 11928 13867 13916 15848 17829 17892 20093 20376 20874 23772 27734 27832 31311 35658 35784 40186 41601 41748 47544 55468 60279 62622 71316 80372 83202 83496 110936 120558 124803 125244 140651 142632 160744 166404 180837 241116 249606 250488 281302 332808 361674 421953 482232 499212 562604 723348 843906 984557 998424 1125208 1265859 1446696 1687812 1969114 2531718 2953671 3375624 3938228 5063436 5907342 7876456 8861013 10126872 11814684 17722026 23629368 35444052 70888104