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235424140 = 22574339107
BaseRepresentation
bin11100000100001…
…00100110001100
3121101222210012121
432002010212030
5440232033030
635205542324
75556033520
oct1602044614
9541883177
10235424140
11110988706
1266a149a4
1339a0b133
14233a3d80
1515a0547a
hexe08498c

235424140 has 48 divisors (see below), whose sum is σ = 578172672. Its totient is φ = 78837696.

The previous prime is 235424129. The next prime is 235424179. The reversal of 235424140 is 41424532.

It is a happy 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, 13534 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (12045264).

Almost surely, 2235424140 is an apocalyptic number.

235424140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235424140 is an abundant number, since it is smaller than the sum of its proper divisors (342748532).

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

235424140 is a wasteful number, since it uses less digits than its factorization.

235424140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39166 (or 39164 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 235424140 is about 15343.5374017858. The cubic root of 235424140 is about 617.4716143584.

Adding to 235424140 its reverse (41424532), we get a palindrome (276848672).

The spelling of 235424140 in words is "two hundred thirty-five million, four hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 39107 78214 156428 195535 273749 391070 547498 782140 1094996 1368745 1681601 2737490 3363202 5474980 6726404 8408005 11771207 16816010 23542414 33632020 47084828 58856035 117712070 235424140