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447273030040 = 235231177741281
BaseRepresentation
bin1101000001000111000…
…11001101000110011000
31120202111020010010002021
412200203203031012120
524312003343430130
6541250245144224
744212562012014
oct6404343150630
91522436103067
10447273030040
11162761a68571
12728269bb074
1333240440875
141791067d544
15b97bb7c37a
hex68238cd198

447273030040 has 64 divisors (see below), whose sum is σ = 1050233895360. Its totient is φ = 171111874560.

The previous prime is 447273029993. The next prime is 447273030041. The reversal of 447273030040 is 40030372744.

It is a junction number, because it is equal to n+sod(n) for n = 447273029978 and 447273030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447273030041) 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, 10814200 + ... + 10855480.

It is an arithmetic number, because the mean of its divisors is an integer number (16409904615).

Almost surely, 2447273030040 is an apocalyptic number.

447273030040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447273030040 is an abundant number, since it is smaller than the sum of its proper divisors (602960865320).

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

447273030040 is a wasteful number, since it uses less digits than its factorization.

447273030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53092 (or 53088 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 34.

The spelling of 447273030040 in words is "four hundred forty-seven billion, two hundred seventy-three million, thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 11777 23554 41281 47108 58885 82562 94216 117770 165124 206405 235540 270871 330248 412810 471080 541742 825620 949463 1083484 1354355 1651240 1898926 2166968 2708710 3797852 4747315 5417420 7595704 9494630 10834840 18989260 37978520 486166337 972332674 1944665348 2430831685 3889330696 4861663370 9723326740 11181825751 19446653480 22363651502 44727303004 55909128755 89454606008 111818257510 223636515020 447273030040