Search a number
-
+
14557240 = 235439829
BaseRepresentation
bin110111100010…
…000000111000
31000101120210001
4313202000320
512211312430
61240002344
7234506635
oct67420070
930346701
1014557240
118243085
124a603b4
133028c69
141d0d18c
1514283ca
hexde2038

14557240 has 32 divisors (see below), whose sum is σ = 32868000. Its totient is φ = 5802624.

The previous prime is 14557199. The next prime is 14557241. The reversal of 14557240 is 4275541.

It is a junction number, because it is equal to n+sod(n) for n = 14557199 and 14557208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14557241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17146 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (1027125).

Almost surely, 214557240 is an apocalyptic number.

14557240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14557240 is an abundant number, since it is smaller than the sum of its proper divisors (18310760).

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

14557240 is a wasteful number, since it uses less digits than its factorization.

14557240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 14557240 is about 3815.3951302585. The cubic root of 14557240 is about 244.1703996499.

The spelling of 14557240 in words is "fourteen million, five hundred fifty-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 439 829 878 1658 1756 2195 3316 3512 4145 4390 6632 8290 8780 16580 17560 33160 363931 727862 1455724 1819655 2911448 3639310 7278620 14557240