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4890864 = 2431159157
BaseRepresentation
bin10010101010000011110000
3100012111000010
4102222003300
52223001424
6252454520
756400036
oct22520360
910174003
104890864
112840640
12177a440
131023204
14914556
15669229
hex4aa0f0

4890864 has 80 divisors (see below), whose sum is σ = 14106240. Its totient is φ = 1447680.

The previous prime is 4890859. The next prime is 4890869. The reversal of 4890864 is 4680984.

It is an interprime number because it is at equal distance from previous prime (4890859) and next prime (4890869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890869) 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, 31074 + ... + 31230.

It is an arithmetic number, because the mean of its divisors is an integer number (176328).

Almost surely, 24890864 is an apocalyptic number.

4890864 is a gapful number since it is divisible by the number (44) 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 4890864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7053120).

4890864 is an abundant number, since it is smaller than the sum of its proper divisors (9215376).

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

4890864 is a wasteful number, since it uses less digits than its factorization.

4890864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 4890864 is about 2211.5297872740. The cubic root of 4890864 is about 169.7442983994.

The spelling of 4890864 in words is "four million, eight hundred ninety thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 59 66 88 118 132 157 176 177 236 264 314 354 471 472 528 628 649 708 942 944 1256 1298 1416 1727 1884 1947 2512 2596 2832 3454 3768 3894 5181 5192 6908 7536 7788 9263 10362 10384 13816 15576 18526 20724 27632 27789 31152 37052 41448 55578 74104 82896 101893 111156 148208 203786 222312 305679 407572 444624 611358 815144 1222716 1630288 2445432 4890864