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2293480 = 23578191
BaseRepresentation
bin1000101111111011101000
311022112001201
420233323220
51041342410
6121053544
725331350
oct10577350
94275051
102293480
111327142
129272b4
13623bb7
14439b60
1530483a
hex22fee8

2293480 has 32 divisors (see below), whose sum is σ = 5898240. Its totient is φ = 786240.

The previous prime is 2293463. The next prime is 2293481. The reversal of 2293480 is 843922.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2293481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (184320).

22293480 is an apocalyptic number.

2293480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2293480 is an abundant number, since it is smaller than the sum of its proper divisors (3604760).

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

2293480 is a wasteful number, since it uses less digits than its factorization.

2293480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2293480 is about 1514.4239829057. The cubic root of 2293480 is about 131.8757631186.

The spelling of 2293480 in words is "two million, two hundred ninety-three thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 8191 16382 32764 40955 57337 65528 81910 114674 163820 229348 286685 327640 458696 573370 1146740 2293480