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3240243700 = 225273443869
BaseRepresentation
bin1100000100100010…
…0011000111110100
322100211002102201221
43001020203013310
523114000244300
61253305400124
7143203421431
oct30110430764
98324072657
103240243700
111413040061
12765199044
133c83bc285
1422a4a2b88
1513e6ec31a
hexc12231f4

3240243700 has 36 divisors (see below), whose sum is σ = 7127664460. Its totient is φ = 1278339840.

The previous prime is 3240243691. The next prime is 3240243709. The reversal of 3240243700 is 73420423.

It is an interprime number because it is at equal distance from previous prime (3240243691) and next prime (3240243709).

It can be written as a sum of positive squares in 6 ways, for example, as 94828644 + 3145415056 = 9738^2 + 56084^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240243709) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 214635 + ... + 229234.

Almost surely, 23240243700 is an apocalyptic number.

It is an amenable number.

3240243700 is an abundant number, since it is smaller than the sum of its proper divisors (3887420760).

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

3240243700 is a wasteful number, since it uses less digits than its factorization.

3240243700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443956 (or 443949 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 3240243700 is about 56923.1385290727. The cubic root of 3240243700 is about 1479.7643434140.

The spelling of 3240243700 in words is "three billion, two hundred forty million, two hundred forty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 73 100 146 292 365 730 1460 1825 3650 7300 443869 887738 1775476 2219345 4438690 8877380 11096725 22193450 32402437 44386900 64804874 129609748 162012185 324024370 648048740 810060925 1620121850 3240243700