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1402380 = 223357253
BaseRepresentation
bin101010110011000001100
32122020201000
411112120030
5324334010
650020300
714630400
oct5263014
92566630
101402380
118786a1
12577690
133a1415
14287100
151ca7c0
hex15660c

1402380 has 144 divisors (see below), whose sum is σ = 5171040. Its totient is φ = 314496.

The previous prime is 1402369. The next prime is 1402391. The reversal of 1402380 is 832041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1402369) and next prime (1402391).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26434 + ... + 26486.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

21402380 is an apocalyptic number.

1402380 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 1402380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585520).

1402380 is an abundant number, since it is smaller than the sum of its proper divisors (3768660).

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

1402380 is a wasteful number, since it uses less digits than its factorization.

1402380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1402380 is about 1184.2212631092. The cubic root of 1402380 is about 111.9322506931.

The spelling of 1402380 in words is "one million, four hundred two thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 53 54 60 63 70 84 90 98 105 106 108 126 135 140 147 159 180 189 196 210 212 245 252 265 270 294 315 318 371 378 420 441 477 490 530 540 588 630 636 735 742 756 795 882 945 954 980 1060 1113 1260 1323 1431 1470 1484 1590 1764 1855 1890 1908 2205 2226 2385 2597 2646 2862 2940 3180 3339 3710 3780 4410 4452 4770 5194 5292 5565 5724 6615 6678 7155 7420 7791 8820 9540 10017 10388 11130 12985 13230 13356 14310 15582 16695 20034 22260 23373 25970 26460 28620 31164 33390 38955 40068 46746 50085 51940 66780 70119 77910 93492 100170 116865 140238 155820 200340 233730 280476 350595 467460 701190 1402380