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4032490 = 257115237
BaseRepresentation
bin1111011000011111101010
321120212112111
433120133222
52013014430
6222232534
746163350
oct17303752
97525474
104032490
112304740
12142574a
13ab25b7
1476d7d0
15549c2a
hex3d87ea

4032490 has 32 divisors (see below), whose sum is σ = 9051264. Its totient is φ = 1256640.

The previous prime is 4032463. The next prime is 4032491. The reversal of 4032490 is 942304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4032491) 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, 1849 + ... + 3388.

It is an arithmetic number, because the mean of its divisors is an integer number (282852).

Almost surely, 24032490 is an apocalyptic number.

4032490 is an abundant number, since it is smaller than the sum of its proper divisors (5018774).

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

4032490 is a wasteful number, since it uses less digits than its factorization.

4032490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4032490 is about 2008.1060728956. The cubic root of 4032490 is about 159.1687356011.

Adding to 4032490 its reverse (942304), we get a palindrome (4974794).

It can be divided in two parts, 40 and 32490, that multiplied together give a square (1299600 = 11402).

The spelling of 4032490 in words is "four million, thirty-two thousand, four hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 5237 10474 26185 36659 52370 57607 73318 115214 183295 288035 366590 403249 576070 806498 2016245 4032490