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420952300 = 2252171931283
BaseRepresentation
bin11001000101110…
…011100011101100
31002100002120222221
4121011303203230
51330230433200
6105434245124
713301015116
oct3105634354
91070076887
10420952300
111a668676a
12b8b867a4
1369299302
143dc9a3b6
1526e5191a
hex191738ec

420952300 has 72 divisors (see below), whose sum is σ = 972968976. Its totient is φ = 157532160.

The previous prime is 420952291. The next prime is 420952307. The reversal of 420952300 is 3259024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (420952307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327459 + ... + 328741.

It is an arithmetic number, because the mean of its divisors is an integer number (13513458).

Almost surely, 2420952300 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 420952300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486484488).

420952300 is an abundant number, since it is smaller than the sum of its proper divisors (552016676).

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

420952300 is a wasteful number, since it uses less digits than its factorization.

420952300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 420952300 is about 20517.1221178800. The cubic root of 420952300 is about 749.4528156977.

The spelling of 420952300 in words is "four hundred twenty million, nine hundred fifty-two thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 193 340 386 425 772 850 965 1283 1700 1930 2566 3281 3860 4825 5132 6415 6562 9650 12830 13124 16405 19300 21811 25660 32075 32810 43622 64150 65620 82025 87244 109055 128300 164050 218110 247619 328100 436220 495238 545275 990476 1090550 1238095 2181100 2476190 4209523 4952380 6190475 8419046 12380950 16838092 21047615 24761900 42095230 84190460 105238075 210476150 420952300