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538945120 = 2557268743
BaseRepresentation
bin100000000111111…
…010011001100000
31101120010020201101
4200013322121200
52100432220440
6125251244144
716232646400
oct4007723140
91346106641
10538945120
1125724749a
121305a9654
138786c74c
1451812800
15324ac69a
hex201fa660

538945120 has 72 divisors (see below), whose sum is σ = 1481158224. Its totient is φ = 184778496.

The previous prime is 538945111. The next prime is 538945129. The reversal of 538945120 is 21549835.

It is an interprime number because it is at equal distance from previous prime (538945111) and next prime (538945129).

It is a self number, because there is not a number n which added to its sum of digits gives 538945120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538945129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26532 + ... + 42211.

It is an arithmetic number, because the mean of its divisors is an integer number (20571642).

Almost surely, 2538945120 is an apocalyptic number.

It is an amenable number.

538945120 is an abundant number, since it is smaller than the sum of its proper divisors (942213104).

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

538945120 is a wasteful number, since it uses less digits than its factorization.

538945120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68772 (or 68757 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 538945120 is about 23215.1915779302. The cubic root of 538945120 is about 813.7946828665.

The spelling of 538945120 in words is "five hundred thirty-eight million, nine hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 392 490 560 784 980 1120 1568 1960 3920 7840 68743 137486 274972 343715 481201 549944 687430 962402 1099888 1374860 1924804 2199776 2406005 2749720 3368407 3849608 4812010 5499440 6736814 7699216 9624020 10998880 13473628 15398432 16842035 19248040 26947256 33684070 38496080 53894512 67368140 76992160 107789024 134736280 269472560 538945120