Search a number
-
+
1480072 = 23113139
BaseRepresentation
bin101101001010110001000
32210012021111
411221112020
5334330242
651420104
715403036
oct5512610
92705244
101480072
11921000
125b4634
133ca8a9
142a7556
151e3817
hex169588

1480072 has 32 divisors (see below), whose sum is σ = 3074400. Its totient is φ = 667920.

The previous prime is 1480067. The next prime is 1480079. The reversal of 1480072 is 2700841.

It is a super-2 number, since 2×14800722 = 4381226250368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1480079) 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, 10579 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (96075).

21480072 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 1480072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537200).

1480072 is an abundant number, since it is smaller than the sum of its proper divisors (1594328).

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

1480072 is a wasteful number, since it uses less digits than its factorization.

1480072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1480072 is about 1216.5820975175. The cubic root of 1480072 is about 113.9622322824.

1480072 divided by its sum of digits (22) gives a palindrome (67276).

The spelling of 1480072 in words is "one million, four hundred eighty thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 121 139 242 278 484 556 968 1112 1331 1529 2662 3058 5324 6116 10648 12232 16819 33638 67276 134552 185009 370018 740036 1480072