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1995672 = 233721697
BaseRepresentation
bin111100111001110011000
310202101112210
413213032120
51002330142
6110435120
722651200
oct7471630
93671483
101995672
111143418
12802aa0
1354b493
1439d400
1529649c
hex1e7398

1995672 has 48 divisors (see below), whose sum is σ = 5807160. Its totient is φ = 569856.

The previous prime is 1995661. The next prime is 1995677. The reversal of 1995672 is 2765991.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1995672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328 + ... + 2024.

21995672 is an apocalyptic number.

1995672 is a gapful number since it is divisible by the number (12) 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 1995672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903580).

1995672 is an abundant number, since it is smaller than the sum of its proper divisors (3811488).

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

1995672 is a wasteful number, since it uses less digits than its factorization.

1995672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1709 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 1995672 is about 1412.6825545748. The cubic root of 1995672 is about 125.9011570491.

The spelling of 1995672 in words is "one million, nine hundred ninety-five thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 1176 1697 3394 5091 6788 10182 11879 13576 20364 23758 35637 40728 47516 71274 83153 95032 142548 166306 249459 285096 332612 498918 665224 997836 1995672