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1424343400 = 23527121717
BaseRepresentation
bin101010011100101…
…1100000101101000
310200021011010211021
41110321130011220
510404112442100
6353200342224
750203501444
oct12471340550
93607133737
101424343400
11671006307
12339014974
13199122b5c
14d724b824
15850a2a1a
hex54e5c168

1424343400 has 24 divisors (see below), whose sum is σ = 3311598870. Its totient is φ = 569737280.

The previous prime is 1424343397. The next prime is 1424343409. The reversal of 1424343400 is 43434241.

It can be written as a sum of positive squares in 3 ways, for example, as 1375371396 + 48972004 = 37086^2 + 6998^2 .

It is a super-2 number, since 2×14243434002 = 4057508242247120000, which contains 22 as substring.

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 (1424343409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3560659 + ... + 3561058.

Almost surely, 21424343400 is an apocalyptic number.

1424343400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424343400 is an abundant number, since it is smaller than the sum of its proper divisors (1887255470).

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

1424343400 is a wasteful number, since it uses less digits than its factorization.

1424343400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7121733 (or 7121724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1424343400 is about 37740.4742948469. The cubic root of 1424343400 is about 1125.1356939204.

Adding to 1424343400 its reverse (43434241), we get a palindrome (1467777641).

The spelling of 1424343400 in words is "one billion, four hundred twenty-four million, three hundred forty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 7121717 14243434 28486868 35608585 56973736 71217170 142434340 178042925 284868680 356085850 712171700 1424343400