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1426880 = 2657313
BaseRepresentation
bin101011100010111000000
32200111022102
411130113000
5331130010
650325532
715062000
oct5342700
92614272
101426880
11895044
125898a8
133ac610
14292000
151d2ba5
hex15c5c0

1426880 has 112 divisors (see below), whose sum is σ = 4267200. Its totient is φ = 451584.

The previous prime is 1426877. The next prime is 1426883. The reversal of 1426880 is 886241.

It is an interprime number because it is at equal distance from previous prime (1426877) and next prime (1426883).

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426883) 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, 109754 + ... + 109766.

It is an arithmetic number, because the mean of its divisors is an integer number (38100).

21426880 is an apocalyptic number.

1426880 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 1426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133600).

1426880 is an abundant number, since it is smaller than the sum of its proper divisors (2840320).

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

1426880 is an equidigital number, since it uses as much as digits as its factorization.

1426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1426880 is about 1194.5208244313. The cubic root of 1426880 is about 112.5803212405.

The spelling of 1426880 in words is "one million, four hundred twenty-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 49 52 56 64 65 70 80 91 98 104 112 130 140 160 182 196 208 224 245 260 280 320 343 364 392 416 448 455 490 520 560 637 686 728 784 832 910 980 1040 1120 1274 1372 1456 1568 1715 1820 1960 2080 2240 2548 2744 2912 3136 3185 3430 3640 3920 4160 4459 5096 5488 5824 6370 6860 7280 7840 8918 10192 10976 12740 13720 14560 15680 17836 20384 21952 22295 25480 27440 29120 35672 40768 44590 50960 54880 71344 89180 101920 109760 142688 178360 203840 285376 356720 713440 1426880