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420032433320 = 235107239410621
BaseRepresentation
bin1100001110010111110…
…00100100110010101000
31111011011210010102101122
412013023320210302220
523340211300331240
6520543224434412
742226536526463
oct6071370446250
91434153112348
10420032433320
111521533a4015
12694a4018a08
13307bb960696
14164888cc2da
15add541e4b5
hex61cbe24ca8

420032433320 has 64 divisors (see below), whose sum is σ = 957899001600. Its totient is φ = 165745941760.

The previous prime is 420032433283. The next prime is 420032433329. The reversal of 420032433320 is 23334230024.

It is a self number, because there is not a number n which added to its sum of digits gives 420032433320.

It is not an unprimeable number, because it can be changed into a prime (420032433329) 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, 817610 + ... + 1228230.

It is an arithmetic number, because the mean of its divisors is an integer number (14967171900).

Almost surely, 2420032433320 is an apocalyptic number.

420032433320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420032433320 is an abundant number, since it is smaller than the sum of its proper divisors (537866568280).

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

420032433320 is a wasteful number, since it uses less digits than its factorization.

420032433320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410978 (or 410974 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 420032433320 its reverse (23334230024), we get a palindrome (443366663344).

The spelling of 420032433320 in words is "four hundred twenty billion, thirty-two million, four hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 107 214 239 428 478 535 856 956 1070 1195 1912 2140 2390 4280 4780 9560 25573 51146 102292 127865 204584 255730 410621 511460 821242 1022920 1642484 2053105 3284968 4106210 8212420 16424840 43936447 87872894 98138419 175745788 196276838 219682235 351491576 392553676 439364470 490692095 785107352 878728940 981384190 1757457880 1962768380 3925536760 10500810833 21001621666 42003243332 52504054165 84006486664 105008108330 210016216660 420032433320