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421570227740 = 225611133057959
BaseRepresentation
bin1100010001001111000…
…10110010111000011100
31111022010221202110202112
412020213202302320130
523401333434241430
6521400001013152
742312621545234
oct6104742627034
91438127673675
10421570227740
111528724487a2
12698530241b8
13309a54265cc
1416592c2ccc4
15ae75432195
hex62278b2e1c

421570227740 has 48 divisors (see below), whose sum is σ = 907773773760. Its totient is φ = 164395822080.

The previous prime is 421570227719. The next prime is 421570227787. The reversal of 421570227740 is 47722075124.

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, 1391120 + ... + 1666839.

It is an arithmetic number, because the mean of its divisors is an integer number (18911953620).

Almost surely, 2421570227740 is an apocalyptic number.

It is an amenable number.

421570227740 is an abundant number, since it is smaller than the sum of its proper divisors (486203546020).

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

421570227740 is a wasteful number, since it uses less digits than its factorization.

421570227740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058142 (or 3058140 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 41.

The spelling of 421570227740 in words is "four hundred twenty-one billion, five hundred seventy million, two hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 61 113 122 226 244 305 452 565 610 1130 1220 2260 6893 13786 27572 34465 68930 137860 3057959 6115918 12231836 15289795 30579590 61159180 186535499 345549367 373070998 691098734 746141996 932677495 1382197468 1727746835 1865354990 3455493670 3730709980 6910987340 21078511387 42157022774 84314045548 105392556935 210785113870 421570227740