Search a number
-
+
69734028 = 223713193361
BaseRepresentation
bin1000010100000…
…00111010001100
311212012212002210
410022000322030
5120322442103
610530350420
71504505130
oct412007214
9155185083
1069734028
11363aa231
121b42b410
13115a7750
1493933c0
1561c6e03
hex4280e8c

69734028 has 96 divisors (see below), whose sum is σ = 210864640. Its totient is φ = 17418240.

The previous prime is 69733997. The next prime is 69734029. The reversal of 69734028 is 82043796.

It is a super-2 number, since 2×697340282 = 9725669322209568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (69734029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19068 + ... + 22428.

Almost surely, 269734028 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 69734028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105432320).

69734028 is an abundant number, since it is smaller than the sum of its proper divisors (141130612).

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

69734028 is a wasteful number, since it uses less digits than its factorization.

69734028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407 (or 3405 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 69734028 is about 8350.6902708698. The cubic root of 69734028 is about 411.6058929628.

The spelling of 69734028 in words is "sixty-nine million, seven hundred thirty-four thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 84 91 114 133 156 182 228 247 266 273 364 399 494 532 546 741 798 988 1092 1482 1596 1729 2964 3361 3458 5187 6722 6916 10083 10374 13444 20166 20748 23527 40332 43693 47054 63859 70581 87386 94108 127718 131079 141162 174772 191577 255436 262158 282324 305851 383154 447013 524316 611702 766308 830167 894026 917553 1223404 1341039 1660334 1788052 1835106 2490501 2682078 3320668 3670212 4981002 5364156 5811169 9962004 11622338 17433507 23244676 34867014 69734028