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1420430 = 251137349
BaseRepresentation
bin101011010110010001110
32200011110112
411122302032
5330423210
650240022
715034124
oct5326216
92604415
101420430
11890210
12586012
133a96bb
1428d914
151d0d05
hex15ac8e

1420430 has 32 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 501120.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420430 is 340241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3896 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

21420430 is an apocalyptic number.

1420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420430 is an abundant number, since it is smaller than the sum of its proper divisors (1452370).

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

1420430 is a wasteful number, since it uses less digits than its factorization.

1420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1420430 is about 1191.8179391165. The cubic root of 1420430 is about 112.4104307641.

Adding to 1420430 its reverse (340241), we get a palindrome (1760671).

The spelling of 1420430 in words is "one million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 349 370 407 698 814 1745 2035 3490 3839 4070 7678 12913 19195 25826 38390 64565 129130 142043 284086 710215 1420430