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235504380 = 22357275399
BaseRepresentation
bin11100000100110…
…00001011111100
3121102010212021110
432002120023330
5440242120010
635211402020
75556516456
oct1602301374
9542125243
10235504380
11110a32a21
1266a53310
1339a38807
14233c52d6
1515a1e120
hexe0982fc

235504380 has 48 divisors (see below), whose sum is σ = 660441600. Its totient is φ = 62703168.

The previous prime is 235504363. The next prime is 235504433. The reversal of 235504380 is 83405532.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40921 + ... + 46319.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2235504380 is an apocalyptic number.

235504380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235504380 is an abundant number, since it is smaller than the sum of its proper divisors (424937220).

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

235504380 is a wasteful number, since it uses less digits than its factorization.

235504380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6136 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 235504380 is about 15346.1519606708. The cubic root of 235504380 is about 617.5417576814.

The spelling of 235504380 in words is "two hundred thirty-five million, five hundred four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 727 1454 2181 2908 3635 4362 5399 7270 8724 10798 10905 14540 16197 21596 21810 26995 32394 43620 53990 64788 80985 107980 161970 323940 3925073 7850146 11775219 15700292 19625365 23550438 39250730 47100876 58876095 78501460 117752190 235504380