Search a number
-
+
69530328 = 23327137957
BaseRepresentation
bin1000010010011…
…11001011011000
311211211111200100
410021033023120
5120244432303
610522135400
71502666220
oct411171330
9154744610
1069530328
113628018a
121b351560
1311535b0a
14933d080
1561868a3
hex424f2d8

69530328 has 48 divisors (see below), whose sum is σ = 215214480. Its totient is φ = 19865664.

The previous prime is 69530309. The next prime is 69530333. The reversal of 69530328 is 82303596.

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

It is a junction number, because it is equal to n+sod(n) for n = 69530292 and 69530301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68475 + ... + 69482.

It is an arithmetic number, because the mean of its divisors is an integer number (4483635).

Almost surely, 269530328 is an apocalyptic number.

It is an amenable number.

69530328 is an abundant number, since it is smaller than the sum of its proper divisors (145684152).

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

69530328 is a wasteful number, since it uses less digits than its factorization.

69530328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137976 (or 137969 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 69530328 is about 8338.4847544383. The cubic root of 69530328 is about 411.2047215666.

The spelling of 69530328 in words is "sixty-nine million, five hundred thirty thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 137957 275914 413871 551828 827742 965699 1103656 1241613 1655484 1931398 2483226 2897097 3310968 3862796 4966452 5794194 7725592 8691291 9932904 11588388 17382582 23176776 34765164 69530328