Search a number
-
+
70028244 = 2232111361223
BaseRepresentation
bin1000010110010…
…00101111010100
311212202210200200
410023020233110
5120411400434
610540540500
71510141656
oct413105724
9155683620
1070028244
1136590290
121b551730
131167b640
14942c6d6
156234199
hex42c8bd4

70028244 has 144 divisors (see below), whose sum is σ = 212319744. Its totient is φ = 19180800.

The previous prime is 70028237. The next prime is 70028251. The reversal of 70028244 is 44282007.

It is an interprime number because it is at equal distance from previous prime (70028237) and next prime (70028251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313917 + ... + 314139.

Almost surely, 270028244 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 70028244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106159872).

70028244 is an abundant number, since it is smaller than the sum of its proper divisors (142291500).

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

70028244 is a wasteful number, since it uses less digits than its factorization.

70028244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 70028244 is about 8368.2879969561. The cubic root of 70028244 is about 412.1839518523.

The spelling of 70028244 in words is "seventy million, twenty-eight thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 61 66 78 99 117 122 132 143 156 183 198 223 234 244 286 366 396 429 446 468 549 572 669 671 732 793 858 892 1098 1287 1338 1342 1586 1716 2007 2013 2196 2379 2453 2574 2676 2684 2899 3172 4014 4026 4758 4906 5148 5798 6039 7137 7359 8028 8052 8697 8723 9516 9812 11596 12078 13603 14274 14718 17394 17446 22077 24156 26091 26169 27206 28548 29436 31889 34788 34892 40809 44154 52182 52338 54412 63778 78507 81618 88308 95667 104364 104676 122427 127556 149633 157014 163236 176839 191334 244854 287001 299266 314028 353678 382668 448899 489708 530517 574002 598532 707356 897798 1061034 1148004 1346697 1591551 1795596 1945229 2122068 2693394 3183102 3890458 5386788 5835687 6366204 7780916 11671374 17507061 23342748 35014122 70028244