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5742520 = 235720509
BaseRepresentation
bin10101111001111110111000
3101210202020221
4111321332320
52432230040
6323025424
766545020
oct25717670
911722227
105742520
113272493
121b0b274
131260a54
14a96a80
1578674a
hex579fb8

5742520 has 32 divisors (see below), whose sum is σ = 14767200. Its totient is φ = 1968768.

The previous prime is 5742509. The next prime is 5742523. The reversal of 5742520 is 252475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5742523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9975 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (461475).

Almost surely, 25742520 is an apocalyptic number.

It is an amenable number.

5742520 is an abundant number, since it is smaller than the sum of its proper divisors (9024680).

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

5742520 is a wasteful number, since it uses less digits than its factorization.

5742520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20527 (or 20523 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 5742520 is about 2396.3555662714. The cubic root of 5742520 is about 179.0746752085.

Adding to 5742520 its reverse (252475), we get a palindrome (5994995).

The spelling of 5742520 in words is "five million, seven hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 20509 41018 82036 102545 143563 164072 205090 287126 410180 574252 717815 820360 1148504 1435630 2871260 5742520