Search a number
-
+
69740 = 22511317
BaseRepresentation
bin10001000001101100
310112122222
4101001230
54212430
61254512
7410216
oct210154
9115588
1069740
1148440
1234438
1325988
141b5b6
15159e5
hex1106c

69740 has 24 divisors (see below), whose sum is σ = 160272. Its totient is φ = 25280.

The previous prime is 69739. The next prime is 69761. The reversal of 69740 is 4796.

69740 = T15 + T16 + ... + T74.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 378.

It is an arithmetic number, because the mean of its divisors is an integer number (6678).

269740 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 69740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80136).

69740 is an abundant number, since it is smaller than the sum of its proper divisors (90532).

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

69740 is a wasteful number, since it uses less digits than its factorization.

69740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 69740 is about 264.0833201851. The cubic root of 69740 is about 41.1617642560.

It can be divided in two parts, 697 and 40, that added together give a palindrome (737).

The spelling of 69740 in words is "sixty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 317 634 1268 1585 3170 3487 6340 6974 13948 17435 34870 69740