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2272074 = 237471151
BaseRepresentation
bin1000101010101101001010
311021102200220
420222231022
51040201244
6120410510
725212060
oct10525512
94242626
102272074
111312052
12916a36
1361722c
14432030
152ed319
hex22ab4a

2272074 has 32 divisors (see below), whose sum is σ = 5308416. Its totient is φ = 634800.

The previous prime is 2272073. The next prime is 2272079. The reversal of 2272074 is 4702722.

It is a super-2 number, since 2×22720742 = 10324640522952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2272073) 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, 1399 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (165888).

22272074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654208).

2272074 is an abundant number, since it is smaller than the sum of its proper divisors (3036342).

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

2272074 is a wasteful number, since it uses less digits than its factorization.

2272074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 2272074 is about 1507.3400412647. The cubic root of 2272074 is about 131.4641962793.

Adding to 2272074 its reverse (4702722), we get a palindrome (6974796).

The spelling of 2272074 in words is "two million, two hundred seventy-two thousand, seventy-four".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1151 1974 2302 3453 6906 8057 16114 24171 48342 54097 108194 162291 324582 378679 757358 1136037 2272074