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1428952 = 237171979
BaseRepresentation
bin101011100110111011000
32200121011011
411130313120
5331211302
650343304
715101020
oct5346730
92617134
101428952
11896658
1258ab34
133b0545
14292a80
151d35d7
hex15cdd8

1428952 has 64 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 539136.

The previous prime is 1428949. The next prime is 1428953. The reversal of 1428952 is 2598241.

Its product of digits (5760) is a multiple of the sum of its prime factors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428953) 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, 18049 + ... + 18127.

It is an arithmetic number, because the mean of its divisors is an integer number (54000).

21428952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728000).

1428952 is an abundant number, since it is smaller than the sum of its proper divisors (2027048).

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

1428952 is a wasteful number, since it uses less digits than its factorization.

1428952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 124 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1428952 is about 1195.3878031836. The cubic root of 1428952 is about 112.6347882376.

It can be divided in two parts, 14289 and 52, that added together give a palindrome (14341).

The spelling of 1428952 in words is "one million, four hundred twenty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 17 19 28 34 38 56 68 76 79 119 133 136 152 158 238 266 316 323 476 532 553 632 646 952 1064 1106 1292 1343 1501 2212 2261 2584 2686 3002 4424 4522 5372 6004 9044 9401 10507 10744 12008 18088 18802 21014 25517 37604 42028 51034 75208 84056 102068 178619 204136 357238 714476 1428952