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4542054140 = 2251323736319
BaseRepresentation
bin1000011101011101…
…00011111011111100
3102201112200020221102
410032232203323330
533300231213030
62030411552232
7220361552231
oct41656437374
912645606842
104542054140
111a20964558
12a6915b678
1357500c300
14311335788
151b8b48c45
hex10eba3efc

4542054140 has 72 divisors (see below), whose sum is σ = 10607909760. Its totient is φ = 1631695104.

The previous prime is 4542054113. The next prime is 4542054149. The reversal of 4542054140 is 414502454.

It is a super-2 number, since 2×45420541402 = 41260511621382279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542054149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106901 + ... + 143219.

It is an arithmetic number, because the mean of its divisors is an integer number (147332080).

Almost surely, 24542054140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542054140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5303954880).

4542054140 is an abundant number, since it is smaller than the sum of its proper divisors (6065855620).

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

4542054140 is a wasteful number, since it uses less digits than its factorization.

4542054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36391 (or 36376 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4542054140 is about 67394.7634464281. The cubic root of 4542054140 is about 1656.0906384418.

Adding to 4542054140 its reverse (414502454), we get a palindrome (4956556594).

The spelling of 4542054140 in words is "four billion, five hundred forty-two million, fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 37 52 65 74 130 148 169 185 260 338 370 481 676 740 845 962 1690 1924 2405 3380 4810 6253 9620 12506 25012 31265 36319 62530 72638 125060 145276 181595 363190 472147 726380 944294 1343803 1888588 2360735 2687606 4721470 5375212 6137911 6719015 9442940 12275822 13438030 17469439 24551644 26876060 30689555 34938878 61379110 69877756 87347195 122758220 174694390 227102707 349388780 454205414 908410828 1135513535 2271027070 4542054140