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2247490 = 25797331
BaseRepresentation
bin1000100100101101000010
311020011222101
420210231002
51033404430
6120101014
725050310
oct10445502
94204871
102247490
1112a5633
1290476a
13608c9b
144270b0
152e5dca
hex224b42

2247490 has 32 divisors (see below), whose sum is σ = 4685184. Its totient is φ = 760320.

The previous prime is 2247473. The next prime is 2247499. The reversal of 2247490 is 947422.

It is a super-2 number, since 2×22474902 = 10102422600200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2247499) 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, 6625 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (146412).

22247490 is an apocalyptic number.

2247490 is an abundant number, since it is smaller than the sum of its proper divisors (2437694).

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

2247490 is a wasteful number, since it uses less digits than its factorization.

2247490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2247490 is about 1499.1630998661. The cubic root of 2247490 is about 130.9883252032.

Adding to 2247490 its product of nonzero digits (4032), we get a palindrome (2251522).

The spelling of 2247490 in words is "two million, two hundred forty-seven thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 97 194 331 485 662 679 970 1358 1655 2317 3310 3395 4634 6790 11585 23170 32107 64214 160535 224749 321070 449498 1123745 2247490