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143013800 = 2352715069
BaseRepresentation
bin10001000011000…
…11011110101000
3100222002212001102
420201203132220
5243102420200
622105140532
73354411566
oct1041433650
9328085042
10143013800
1173800426
123ba8a748
1323824067
1414dcaa36
15c84e6d5
hex88637a8

143013800 has 24 divisors (see below), whose sum is σ = 332507550. Its totient is φ = 57205440.

The previous prime is 143013799. The next prime is 143013821. The reversal of 143013800 is 8310341.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 61183684 + 81830116 = 7822^2 + 9046^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357335 + ... + 357734.

Almost surely, 2143013800 is an apocalyptic number.

143013800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143013800 is an abundant number, since it is smaller than the sum of its proper divisors (189493750).

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

143013800 is a wasteful number, since it uses less digits than its factorization.

143013800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715085 (or 715076 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 143013800 is about 11958.8377361682. The cubic root of 143013800 is about 522.9489742283.

The spelling of 143013800 in words is "one hundred forty-three million, thirteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 715069 1430138 2860276 3575345 5720552 7150690 14301380 17876725 28602760 35753450 71506900 143013800