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1896972 = 2237112053
BaseRepresentation
bin111001111001000001100
310120101011020
413033020030
5441200342
6104354140
722060350
oct7171014
93511136
101896972
111086250
12775950
1351558c
14375460
152770ec
hex1cf20c

1896972 has 48 divisors (see below), whose sum is σ = 5521152. Its totient is φ = 492480.

The previous prime is 1896959. The next prime is 1896989. The reversal of 1896972 is 2796981.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (115024).

21896972 is an apocalyptic number.

1896972 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 1896972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760576).

1896972 is an abundant number, since it is smaller than the sum of its proper divisors (3624180).

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

1896972 is a wasteful number, since it uses less digits than its factorization.

1896972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2076 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1896972 is about 1377.3060662032. The cubic root of 1896972 is about 123.7904020718.

Subtracting 1896972 from its reverse (2796981), we obtain a palindrome (900009).

The spelling of 1896972 in words is "one million, eight hundred ninety-six thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 2053 4106 6159 8212 12318 14371 22583 24636 28742 43113 45166 57484 67749 86226 90332 135498 158081 172452 270996 316162 474243 632324 948486 1896972