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1472240 = 245711239
BaseRepresentation
bin101100111011011110000
32202210112102
411213123300
5334102430
651315532
715341150
oct5473360
92683472
101472240
11916130
125abba8
133c7163
142a4760
151e1345
hex1676f0

1472240 has 80 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 456960.

The previous prime is 1472239. The next prime is 1472249. The reversal of 1472240 is 422741.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6041 + ... + 6279.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

21472240 is an apocalyptic number.

1472240 is a gapful number since it is divisible by the number (10) 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 1472240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142720).

1472240 is an abundant number, since it is smaller than the sum of its proper divisors (2813200).

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

1472240 is a wasteful number, since it uses less digits than its factorization.

1472240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1472240 is about 1213.3589740880. The cubic root of 1472240 is about 113.7608611776.

Adding to 1472240 its reverse (422741), we get a palindrome (1894981).

The spelling of 1472240 in words is "one million, four hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 239 280 308 385 440 478 560 616 770 880 956 1195 1232 1540 1673 1912 2390 2629 3080 3346 3824 4780 5258 6160 6692 8365 9560 10516 13145 13384 16730 18403 19120 21032 26290 26768 33460 36806 42064 52580 66920 73612 92015 105160 133840 147224 184030 210320 294448 368060 736120 1472240