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425542980 = 223517795281
BaseRepresentation
bin11001010111010…
…100010101000100
31002122201211020010
4121113110111010
51332414333410
6110120510220
713355025042
oct3127242504
91078654203
10425542980
111a9231815
12ba61b370
136a2159a5
1440733392
152755bc20
hex195d4544

425542980 has 96 divisors (see below), whose sum is σ = 1277821440. Its totient is φ = 105431040.

The previous prime is 425542979. The next prime is 425543021. The reversal of 425542980 is 89245524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77940 + ... + 83220.

It is an arithmetic number, because the mean of its divisors is an integer number (13310640).

Almost surely, 2425542980 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 425542980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638910720).

425542980 is an abundant number, since it is smaller than the sum of its proper divisors (852278460).

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

425542980 is a wasteful number, since it uses less digits than its factorization.

425542980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389 (or 5387 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 425542980 is about 20628.6931238991. The cubic root of 425542980 is about 752.1673485450.

The spelling of 425542980 in words is "four hundred twenty-five million, five hundred forty-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 79 85 102 158 170 204 237 255 316 340 395 474 510 790 948 1020 1185 1343 1580 2370 2686 4029 4740 5281 5372 6715 8058 10562 13430 15843 16116 20145 21124 26405 26860 31686 40290 52810 63372 79215 80580 89777 105620 158430 179554 269331 316860 359108 417199 448885 538662 834398 897770 1077324 1251597 1346655 1668796 1795540 2085995 2503194 2693310 4171990 5006388 5386620 6257985 7092383 8343980 12515970 14184766 21277149 25031940 28369532 35461915 42554298 70923830 85108596 106385745 141847660 212771490 425542980