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1430946 = 23411273
BaseRepresentation
bin101011101010110100010
32200200220000
411131112202
5331242241
650400430
715106566
oct5352642
92620800
101430946
11898100
12590116
133b141a
142936a6
151d3eb6
hex15d5a2

1430946 has 60 divisors (see below), whose sum is σ = 3572646. Its totient is φ = 427680.

The previous prime is 1430939. The next prime is 1430953. The reversal of 1430946 is 6490341.

It is an interprime number because it is at equal distance from previous prime (1430939) and next prime (1430953).

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 245025 = 1089^2 + 495^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 29 ways as a sum of consecutive naturals, for example, 19566 + ... + 19638.

21430946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1786323).

1430946 is an abundant number, since it is smaller than the sum of its proper divisors (2141700).

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

1430946 is a wasteful number, since it uses less digits than its factorization.

1430946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1430946 is about 1196.2215513859. The cubic root of 1430946 is about 112.6871551425.

The spelling of 1430946 in words is "one million, four hundred thirty thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 73 81 99 121 146 162 198 219 242 297 363 438 594 657 726 803 891 1089 1314 1606 1782 1971 2178 2409 3267 3942 4818 5913 6534 7227 8833 9801 11826 14454 17666 19602 21681 26499 43362 52998 65043 79497 130086 158994 238491 476982 715473 1430946