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4472980 = 2251979149
BaseRepresentation
bin10001000100000010010100
322102020202221
4101010002110
52121113410
6235512124
753006521
oct21040224
98366687
104472980
112585686
1215b8644
13c07c45
14846148
155d54da
hex444094

4472980 has 48 divisors (see below), whose sum is σ = 10080000. Its totient is φ = 1662336.

The previous prime is 4472957. The next prime is 4473011. The reversal of 4472980 is 892744.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29946 + ... + 30094.

It is an arithmetic number, because the mean of its divisors is an integer number (210000).

Almost surely, 24472980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4472980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5040000).

4472980 is an abundant number, since it is smaller than the sum of its proper divisors (5607020).

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

4472980 is a wasteful number, since it uses less digits than its factorization.

4472980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4472980 is about 2114.9420795852. The cubic root of 4472980 is about 164.7652615534.

The spelling of 4472980 in words is "four million, four hundred seventy-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 79 95 149 158 190 298 316 380 395 596 745 790 1490 1501 1580 2831 2980 3002 5662 6004 7505 11324 11771 14155 15010 23542 28310 30020 47084 56620 58855 117710 223649 235420 447298 894596 1118245 2236490 4472980