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42013230 = 2357200063
BaseRepresentation
bin1010000001000…
…1001000101110
32221001111022120
42200101020232
541223410410
64100253410
71020051360
oct240211056
987044276
1042013230
1121796186
12120a1266
13891cccc
145818d30
153a4d570
hex281122e

42013230 has 32 divisors (see below), whose sum is σ = 115236864. Its totient is φ = 9602976.

The previous prime is 42013219. The next prime is 42013243. The reversal of 42013230 is 3231024.

It is a super-2 number, since 2×420132302 = 3530222990065800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99822 + ... + 100241.

It is an arithmetic number, because the mean of its divisors is an integer number (3601152).

Almost surely, 242013230 is an apocalyptic number.

42013230 is an abundant number, since it is smaller than the sum of its proper divisors (73223634).

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

42013230 is a wasteful number, since it uses less digits than its factorization.

42013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200080.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42013230 is about 6481.7613346991. The cubic root of 42013230 is about 347.6391589368.

Adding to 42013230 its reverse (3231024), we get a palindrome (45244254).

The spelling of 42013230 in words is "forty-two million, thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 200063 400126 600189 1000315 1200378 1400441 2000630 2800882 3000945 4201323 6001890 7002205 8402646 14004410 21006615 42013230