Search a number
-
+
69265240 = 2351131301
BaseRepresentation
bin1000010000011…
…10011101011000
311211100001001021
410020032131120
5120212441430
610512332224
71500513322
oct410163530
9154301037
1069265240
113610a000
121b244074
1311472265
1492b0612
15613307a
hex420e758

69265240 has 64 divisors (see below), whose sum is σ = 171551520. Its totient is φ = 25168000.

The previous prime is 69265237. The next prime is 69265267. The reversal of 69265240 is 4256296.

It is a junction number, because it is equal to n+sod(n) for n = 69265196 and 69265205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52590 + ... + 53890.

Almost surely, 269265240 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 69265240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85775760).

69265240 is an abundant number, since it is smaller than the sum of its proper divisors (102286280).

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

69265240 is a wasteful number, since it uses less digits than its factorization.

69265240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 69265240 is about 8322.5741210277. The cubic root of 69265240 is about 410.6814762233.

The spelling of 69265240 in words is "sixty-nine million, two hundred sixty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 121 220 242 440 484 605 968 1210 1301 1331 2420 2602 2662 4840 5204 5324 6505 6655 10408 10648 13010 13310 14311 26020 26620 28622 52040 53240 57244 71555 114488 143110 157421 286220 314842 572440 629684 787105 1259368 1574210 1731631 3148420 3463262 6296840 6926524 8658155 13853048 17316310 34632620 69265240