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2229930 = 23452753
BaseRepresentation
bin1000100000011010101010
311012021220000
420200122222
51032324210
6115443430
724645153
oct10403252
94167800
102229930
11129341a
128b6576
13600cb1
1442092a
152e0ac0
hex2206aa

2229930 has 40 divisors (see below), whose sum is σ = 5998212. Its totient is φ = 594432.

The previous prime is 2229917. The next prime is 2229943. The reversal of 2229930 is 399222.

It is an interprime number because it is at equal distance from previous prime (2229917) and next prime (2229943).

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 77841 = 1467^2 + 279^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2229894 and 2229903.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 567 + ... + 2186.

22229930 is an apocalyptic number.

2229930 is an abundant number, since it is smaller than the sum of its proper divisors (3768282).

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

2229930 is a wasteful number, since it uses less digits than its factorization.

2229930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2229930 is about 1493.2950143893. The cubic root of 2229930 is about 130.6462885871.

The spelling of 2229930 in words is "two million, two hundred twenty-nine thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 2753 5506 8259 13765 16518 24777 27530 41295 49554 74331 82590 123885 148662 222993 247770 371655 445986 743310 1114965 2229930