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468870740 = 225131803349
BaseRepresentation
bin11011111100100…
…110011001010100
31012200021002201222
4123330212121110
51430012330430
6114305305512
714422223042
oct3374463124
91180232658
10468870740
11220735588
12111035298
13761a6110
14463b1392
152b2699e5
hex1bf26654

468870740 has 24 divisors (see below), whose sum is σ = 1060369800. Its totient is φ = 173121408.

The previous prime is 468870737. The next prime is 468870749. The reversal of 468870740 is 47078864.

It can be written as a sum of positive squares in 4 ways, for example, as 8596624 + 460274116 = 2932^2 + 21454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 468870691 and 468870700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468870749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901415 + ... + 901934.

It is an arithmetic number, because the mean of its divisors is an integer number (44182075).

Almost surely, 2468870740 is an apocalyptic number.

It is an amenable number.

468870740 is an abundant number, since it is smaller than the sum of its proper divisors (591499060).

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

468870740 is a wasteful number, since it uses less digits than its factorization.

468870740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803371 (or 1803369 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 468870740 is about 21653.4232859380. The cubic root of 468870740 is about 776.8748171633.

The spelling of 468870740 in words is "four hundred sixty-eight million, eight hundred seventy thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1803349 3606698 7213396 9016745 18033490 23443537 36066980 46887074 93774148 117217685 234435370 468870740