Search a number
-
+
707472 = 2432173
BaseRepresentation
bin10101100101110010000
31022221110200
42230232100
5140114342
623055200
76004413
oct2545620
91287420
10707472
11443597
122a1500
131ba02c
14145b7a
15de94c
hexacb90

707472 has 60 divisors (see below), whose sum is σ = 2103660. Its totient is φ = 221952.

The previous prime is 707467. The next prime is 707501. The reversal of 707472 is 274707.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 389376 + 318096 = 624^2 + 564^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

707472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41608 + ... + 41624.

It is an arithmetic number, because the mean of its divisors is an integer number (35061).

2707472 is an apocalyptic number.

707472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 707472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051830).

707472 is an abundant number, since it is smaller than the sum of its proper divisors (1396188).

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

707472 is a wasteful number, since it uses less digits than its factorization.

707472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 707472 is about 841.1135476260. The cubic root of 707472 is about 89.1052074031.

The spelling of 707472 in words is "seven hundred seven thousand, four hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 289 306 408 578 612 816 867 1156 1224 1734 2312 2448 2601 3468 4624 4913 5202 6936 9826 10404 13872 14739 19652 20808 29478 39304 41616 44217 58956 78608 88434 117912 176868 235824 353736 707472