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2242872 = 233231151
BaseRepresentation
bin1000100011100100111000
311012221122100
420203210320
51033232442
6120023400
725030662
oct10434470
94187570
102242872
1112a2115
12901b60
13606b58
14425532
152e484c
hex223938

2242872 has 24 divisors (see below), whose sum is σ = 6074640. Its totient is φ = 747600.

The previous prime is 2242871. The next prime is 2242873. The reversal of 2242872 is 2782422.

It is an interprime number because it is at equal distance from previous prime (2242871) and next prime (2242873).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15504 + ... + 15647.

It is an arithmetic number, because the mean of its divisors is an integer number (253110).

22242872 is an apocalyptic number.

It is an amenable number.

2242872 is an abundant number, since it is smaller than the sum of its proper divisors (3831768).

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

2242872 is a wasteful number, since it uses less digits than its factorization.

2242872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31163 (or 31156 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2242872 is about 1497.6221152213. The cubic root of 2242872 is about 130.8985481830.

It can be divided in two parts, 22428 and 72, that added together give a square (22500 = 1502).

The spelling of 2242872 in words is "two million, two hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 31151 62302 93453 124604 186906 249208 280359 373812 560718 747624 1121436 2242872