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2247472 = 24197393
BaseRepresentation
bin1000100100101100110000
311020011221201
420210230300
51033404342
6120100544
725050253
oct10445460
94204851
102247472
1112a5617
12904754
13608c86
1442709a
152e5db7
hex224b30

2247472 has 20 divisors (see below), whose sum is σ = 4584280. Its totient is φ = 1064448.

The previous prime is 2247467. The next prime is 2247473. The reversal of 2247472 is 2747422.

It is a super-2 number, since 2×22474722 = 10102260781568, which contains 22 as substring.

It is a d-powerful number, because it can be written as 25 + 217 + 4 + 74 + 4 + 75 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 2247472.

It is not an unprimeable number, because it can be changed into a prime (2247473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393 + ... + 4000.

It is an arithmetic number, because the mean of its divisors is an integer number (229214).

22247472 is an apocalyptic number.

It is an amenable number.

2247472 is an abundant number, since it is smaller than the sum of its proper divisors (2336808).

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

2247472 is a wasteful number, since it uses less digits than its factorization.

2247472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7414 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 2247472 is about 1499.1570965046. The cubic root of 2247472 is about 130.9879755099.

The spelling of 2247472 in words is "two million, two hundred forty-seven thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 7393 14786 29572 59144 118288 140467 280934 561868 1123736 2247472