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2148672 = 26319231
BaseRepresentation
bin1000001100100101000000
311001011102110
420030211000
51022224142
6114015320
724156231
oct10144500
94034373
102148672
111238369
12877540
135a3006
143dd088
152c699c
hex20c940

2148672 has 84 divisors (see below), whose sum is σ = 6193536. Its totient is φ = 656640.

The previous prime is 2148661. The next prime is 2148677. The reversal of 2148672 is 2768412.

Its product of digits (5376) is a multiple of the sum of its prime factors (84).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148677) 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, 69297 + ... + 69327.

22148672 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 2148672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096768).

2148672 is an abundant number, since it is smaller than the sum of its proper divisors (4044864).

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

2148672 is a wasteful number, since it uses less digits than its factorization.

2148672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 55 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2148672 is about 1465.8349156709. The cubic root of 2148672 is about 129.0397089461.

Subtracting from 2148672 its product of digits (5376), we obtain a square (2143296 = 14642).

The spelling of 2148672 in words is "two million, one hundred forty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 31 32 38 48 57 62 64 76 93 96 114 124 152 186 192 228 248 304 361 372 456 496 589 608 722 744 912 992 1083 1178 1216 1444 1488 1767 1824 1984 2166 2356 2888 2976 3534 3648 4332 4712 5776 5952 7068 8664 9424 11191 11552 14136 17328 18848 22382 23104 28272 33573 34656 37696 44764 56544 67146 69312 89528 113088 134292 179056 268584 358112 537168 716224 1074336 2148672