Search a number
-
+
3234142440 = 233258983729
BaseRepresentation
bin1100000011000101…
…0001100011101000
322100101121110101100
43000301101203220
523110420024230
61252530521400
7143100520464
oct30061214350
98311543340
103234142440
11140a6530a1
12763136260
133c7064169
142297554a4
1513dde4660
hexc0c518e8

3234142440 has 48 divisors (see below), whose sum is σ = 10510964100. Its totient is φ = 862437888.

The previous prime is 3234142409. The next prime is 3234142451. The reversal of 3234142440 is 442414323.

It is a happy number.

3234142440 is a `hidden beast` number, since 3 + 2 + 3 + 414 + 244 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2847076164 + 387066276 = 53358^2 + 19674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4491505 + ... + 4492224.

Almost surely, 23234142440 is an apocalyptic number.

3234142440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3234142440 is an abundant number, since it is smaller than the sum of its proper divisors (7276821660).

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

3234142440 is a wasteful number, since it uses less digits than its factorization.

3234142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983746 (or 8983739 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3234142440 is about 56869.5211866603. The cubic root of 3234142440 is about 1478.8349791951.

Adding to 3234142440 its reverse (442414323), we get a palindrome (3676556763).

The spelling of 3234142440 in words is "three billion, two hundred thirty-four million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 8983729 17967458 26951187 35934916 44918645 53902374 71869832 80853561 89837290 107804748 134755935 161707122 179674580 215609496 269511870 323414244 359349160 404267805 539023740 646828488 808535610 1078047480 1617071220 3234142440