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4921480 = 235612017
BaseRepresentation
bin10010110001100010001000
3100021001000001
4102301202020
52224441410
6253252344
756555224
oct22614210
910231001
104921480
112861643
1217940b4
131034125
14921784
1567333a
hex4b1888

4921480 has 32 divisors (see below), whose sum is σ = 11260440. Its totient is φ = 1935360.

The previous prime is 4921453. The next prime is 4921487. The reversal of 4921480 is 841294.

It can be written as a sum of positive squares in 4 ways, for example, as 3467044 + 1454436 = 1862^2 + 1206^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4921487) 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, 1432 + ... + 3448.

Almost surely, 24921480 is an apocalyptic number.

4921480 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 4921480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5630220).

4921480 is an abundant number, since it is smaller than the sum of its proper divisors (6338960).

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

4921480 is a wasteful number, since it uses less digits than its factorization.

4921480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4921480 is about 2218.4408939613. The cubic root of 4921480 is about 170.0977523155.

It can be divided in two parts, 49214 and 80, that added together give a palindrome (49294).

The spelling of 4921480 in words is "four million, nine hundred twenty-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2017 2440 4034 8068 10085 16136 20170 40340 80680 123037 246074 492148 615185 984296 1230370 2460740 4921480