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4292880 = 243531577
BaseRepresentation
bin10000011000000100010000
322002002201120
4100120010100
52044333010
6232002240
751326454
oct20300420
98062646
104292880
112472339
121530380
13b73c87
147da664
1559be70
hex418110

4292880 has 80 divisors (see below), whose sum is σ = 13761024. Its totient is φ = 1105920.

The previous prime is 4292867. The next prime is 4292887. The reversal of 4292880 is 882924.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4292887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7152 + ... + 7728.

Almost surely, 24292880 is an apocalyptic number.

4292880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4292880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6880512).

4292880 is an abundant number, since it is smaller than the sum of its proper divisors (9468144).

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

4292880 is a wasteful number, since it uses less digits than its factorization.

4292880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 4292880 is about 2071.9266396280. The cubic root of 4292880 is about 162.5235311091.

The spelling of 4292880 in words is "four million, two hundred ninety-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 577 620 744 930 1154 1240 1488 1731 1860 2308 2480 2885 3462 3720 4616 5770 6924 7440 8655 9232 11540 13848 17310 17887 23080 27696 34620 35774 46160 53661 69240 71548 89435 107322 138480 143096 178870 214644 268305 286192 357740 429288 536610 715480 858576 1073220 1430960 2146440 4292880