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1411280 = 245132359
BaseRepresentation
bin101011000100011010000
32122200220122
411120203100
5330130110
650125412
714665343
oct5304320
92580818
101411280
11884352
12580868
133a54a0
1428a45a
151cd255
hex1588d0

1411280 has 80 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 489984.

The previous prime is 1411271. The next prime is 1411283. The reversal of 1411280 is 821141.

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

It is a super-2 number, since 2×14112802 = 3983422476800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411283) 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, 23891 + ... + 23949.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

21411280 is an apocalyptic number.

1411280 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 1411280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

1411280 is an abundant number, since it is smaller than the sum of its proper divisors (2338480).

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

1411280 is a wasteful number, since it uses less digits than its factorization.

1411280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1411280 is about 1187.9730636677. The cubic root of 1411280 is about 112.1685387709.

Adding to 1411280 its product of nonzero digits (64), we get a square (1411344 = 11882).

The spelling of 1411280 in words is "one million, four hundred eleven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 23 26 40 46 52 59 65 80 92 104 115 118 130 184 208 230 236 260 295 299 368 460 472 520 590 598 767 920 944 1040 1180 1196 1357 1495 1534 1840 2360 2392 2714 2990 3068 3835 4720 4784 5428 5980 6136 6785 7670 10856 11960 12272 13570 15340 17641 21712 23920 27140 30680 35282 54280 61360 70564 88205 108560 141128 176410 282256 352820 705640 1411280