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4250840 = 235119661
BaseRepresentation
bin10000001101110011011000
321222222001112
4100031303120
52042011330
6231035452
751063056
oct20156330
97888045
104250840
1124437a0
12150bb88
13b5aab9
147c91d6
1558e795
hex40dcd8

4250840 has 32 divisors (see below), whose sum is σ = 10434960. Its totient is φ = 1545600.

The previous prime is 4250809. The next prime is 4250843. The reversal of 4250840 is 480524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250843) 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, 4391 + ... + 5270.

Almost surely, 24250840 is an apocalyptic number.

4250840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4250840 is an abundant number, since it is smaller than the sum of its proper divisors (6184120).

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

4250840 is a wasteful number, since it uses less digits than its factorization.

4250840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4250840 is about 2061.7565326682. The cubic root of 4250840 is about 161.9912610233.

The spelling of 4250840 in words is "four million, two hundred fifty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 9661 19322 38644 48305 77288 96610 106271 193220 212542 386440 425084 531355 850168 1062710 2125420 4250840