Search a number
-
+
69908364 = 22324779523
BaseRepresentation
bin1000010101010…
…11011110001100
311212112201020200
410022223132030
5120344031424
610534213500
71506132321
oct412533614
9155481220
1069908364
1136509209
121b4b4290
1311638bc6
1493dab48
15620d8c9
hex42ab78c

69908364 has 72 divisors (see below), whose sum is σ = 183106560. Its totient is φ = 22475232.

The previous prime is 69908347. The next prime is 69908383. The reversal of 69908364 is 46380996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133407 + ... + 133929.

Almost surely, 269908364 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 69908364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91553280).

69908364 is an abundant number, since it is smaller than the sum of its proper divisors (113198196).

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

69908364 is a wasteful number, since it uses less digits than its factorization.

69908364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 69908364 is about 8361.1221734884. The cubic root of 69908364 is about 411.9486142593.

The spelling of 69908364 in words is "sixty-nine million, nine hundred eight thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 36 47 79 94 141 158 188 237 282 316 423 474 523 564 711 846 948 1046 1422 1569 1692 2092 2844 3138 3713 4707 6276 7426 9414 11139 14852 18828 22278 24581 33417 41317 44556 49162 66834 73743 82634 98324 123951 133668 147486 165268 221229 247902 294972 371853 442458 495804 743706 884916 1487412 1941899 3883798 5825697 7767596 11651394 17477091 23302788 34954182 69908364