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235730340 = 223251968927
BaseRepresentation
bin11100000110011…
…11010110100100
3121102120100020100
432003033112210
5440321332330
635220304100
75561450316
oct1603172644
9542510210
10235730340
1111107776a
1266b42030
1339ab7611
14234437b6
1515a66060
hexe0cf5a4

235730340 has 72 divisors (see below), whose sum is σ = 752693760. Its totient is φ = 59552064.

The previous prime is 235730329. The next prime is 235730351. The reversal of 235730340 is 43037532.

235730340 is a `hidden beast` number, since 2 + 357 + 303 + 4 + 0 = 666.

235730340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (235730329) and next prime (235730351).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31044 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (10454080).

Almost surely, 2235730340 is an apocalyptic number.

235730340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235730340 is an abundant number, since it is smaller than the sum of its proper divisors (516963420).

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

235730340 is a wasteful number, since it uses less digits than its factorization.

235730340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68961 (or 68956 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 235730340 is about 15353.5123017504. The cubic root of 235730340 is about 617.7391993470.

Adding to 235730340 its reverse (43037532), we get a palindrome (278767872).

The spelling of 235730340 in words is "two hundred thirty-five million, seven hundred thirty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 342 380 570 684 855 1140 1710 3420 68927 137854 206781 275708 344635 413562 620343 689270 827124 1033905 1240686 1309613 1378540 2067810 2481372 2619226 3101715 3928839 4135620 5238452 6203430 6548065 7857678 11786517 12406860 13096130 15715356 19644195 23573034 26192260 39288390 47146068 58932585 78576780 117865170 235730340