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542240870 = 25232102503
BaseRepresentation
bin100000010100011…
…111000001100110
31101210022200122012
4200110133001212
52102303201440
6125450034222
716302654113
oct4024370146
91353280565
10542240870
11259098656
12131718972
13884548b2
145202d90a
153290de65
hex2051f066

542240870 has 24 divisors (see below), whose sum is σ = 1020324816. Its totient is φ = 207464048.

The previous prime is 542240837. The next prime is 542240873. The reversal of 542240870 is 78042245.

It is a super-2 number, since 2×5422408702 = 588050322196713800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542240873) 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, 45962 + ... + 56541.

It is an arithmetic number, because the mean of its divisors is an integer number (42513534).

Almost surely, 2542240870 is an apocalyptic number.

542240870 is a deficient number, since it is larger than the sum of its proper divisors (478083946).

542240870 is a wasteful number, since it uses less digits than its factorization.

542240870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102556 (or 102533 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 542240870 is about 23286.0660052315. The cubic root of 542240870 is about 815.4501484034.

The spelling of 542240870 in words is "five hundred forty-two million, two hundred forty thousand, eight hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 529 1058 2645 5290 102503 205006 512515 1025030 2357569 4715138 11787845 23575690 54224087 108448174 271120435 542240870