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2445072 = 243719383
BaseRepresentation
bin1001010100111100010000
311121020000020
421110330100
51111220242
6124223440
726532330
oct11247420
94536006
102445072
111420023
1299ab80
13677bb6
144790c0
153346ec
hex254f10

2445072 has 80 divisors (see below), whose sum is σ = 7618560. Its totient is φ = 660096.

The previous prime is 2445067. The next prime is 2445073. The reversal of 2445072 is 2705442.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2445073) 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, 6193 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (95232).

22445072 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 2445072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3809280).

2445072 is an abundant number, since it is smaller than the sum of its proper divisors (5173488).

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

2445072 is a wasteful number, since it uses less digits than its factorization.

2445072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2445072 is about 1563.6726000030. The cubic root of 2445072 is about 134.7195274403.

The spelling of 2445072 in words is "two million, four hundred forty-five thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 383 399 456 532 766 798 912 1064 1149 1532 1596 2128 2298 2681 3064 3192 4596 5362 6128 6384 7277 8043 9192 10724 14554 16086 18384 21448 21831 29108 32172 42896 43662 50939 58216 64344 87324 101878 116432 128688 152817 174648 203756 305634 349296 407512 611268 815024 1222536 2445072