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4742144740 = 2251264118757
BaseRepresentation
bin1000110101010011…
…10110001011100100
3110020111011220122101
410122221312023210
534202442112430
62102320341444
7225341364604
oct43251661344
913214156571
104742144740
1120138a9593
12b04174884
135a75c8908
1432db3cc04
151cb4bedca
hex11aa762e4

4742144740 has 24 divisors (see below), whose sum is σ = 9959822712. Its totient is φ = 1896606720.

The previous prime is 4742144717. The next prime is 4742144767. The reversal of 4742144740 is 474412474.

It can be written as a sum of positive squares in 4 ways, for example, as 996004 + 4741148736 = 998^2 + 68856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4742144740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243442 + ... + 262198.

It is an arithmetic number, because the mean of its divisors is an integer number (414992613).

Almost surely, 24742144740 is an apocalyptic number.

It is an amenable number.

4742144740 is an abundant number, since it is smaller than the sum of its proper divisors (5217677972).

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

4742144740 is a wasteful number, since it uses less digits than its factorization.

4742144740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31407 (or 31405 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 37.

The square root of 4742144740 is about 68863.2321344271. The cubic root of 4742144740 is about 1680.0605538453.

The spelling of 4742144740 in words is "four billion, seven hundred forty-two million, one hundred forty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 12641 18757 25282 37514 50564 63205 75028 93785 126410 187570 252820 375140 237107237 474214474 948428948 1185536185 2371072370 4742144740