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1970328 = 233531549
BaseRepresentation
bin111100001000010011000
310201002210010
413201002120
51001022303
6110121520
722514253
oct7410230
93632703
101970328
111126378
127b02a0
1353ca99
1439409a
1528dc03
hex1e1098

1970328 has 32 divisors (see below), whose sum is σ = 5022000. Its totient is φ = 643968.

The previous prime is 1970327. The next prime is 1970333. The reversal of 1970328 is 8230791.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1970295 and 1970304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498 + ... + 2046.

21970328 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 1970328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511000).

1970328 is an abundant number, since it is smaller than the sum of its proper divisors (3051672).

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

1970328 is a wasteful number, since it uses less digits than its factorization.

1970328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1970328 is about 1403.6837250606. The cubic root of 1970328 is about 125.3659250787.

The spelling of 1970328 in words is "one million, nine hundred seventy thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 1549 3098 4647 6196 9294 12392 18588 37176 82097 164194 246291 328388 492582 656776 985164 1970328