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1421430000 = 2435447381
BaseRepresentation
bin101010010111001…
…0100110011110000
310200001200010101120
41110232110303300
510402341230000
6353014102240
750136645534
oct12456246360
93601603346
101421430000
1166a3a6441
1233804a980
13198642a53
14d6acdbc4
1584bc96a0
hex54b94cf0

1421430000 has 100 divisors (see below), whose sum is σ = 4588662408. Its totient is φ = 379040000.

The previous prime is 1421429987. The next prime is 1421430007. The reversal of 1421430000 is 341241.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421430007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6310 + ... + 53690.

Almost surely, 21421430000 is an apocalyptic number.

1421430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2294331204).

1421430000 is an abundant number, since it is smaller than the sum of its proper divisors (3167232408).

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

1421430000 is an equidigital number, since it uses as much as digits as its factorization.

1421430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47412 (or 47391 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1421430000 is about 37701.8567182042. The cubic root of 1421430000 is about 1124.3680401297.

Adding to 1421430000 its reverse (341241), we get a palindrome (1421771241).

The spelling of 1421430000 in words is "one billion, four hundred twenty-one million, four hundred thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 47381 94762 142143 189524 236905 284286 379048 473810 568572 710715 758096 947620 1137144 1184525 1421430 1895240 2274288 2369050 2842860 3553575 3790480 4738100 5685720 5922625 7107150 9476200 11371440 11845250 14214300 17767875 18952400 23690500 28428600 29613125 35535750 47381000 56857200 59226250 71071500 88839375 94762000 118452500 142143000 177678750 236905000 284286000 355357500 473810000 710715000 1421430000