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542504434 = 2378388327
BaseRepresentation
bin100000010101011…
…111010111110010
31101210211002011211
4200111133113302
52102340120214
6125455430334
716305132403
oct4025372762
91353732154
10542504434
1125925867a
121318253aa
1388517854
145209b9aa
15329620c4
hex2055f5f2

542504434 has 16 divisors (see below), whose sum is σ = 845828928. Its totient is φ = 260738352.

The previous prime is 542504423. The next prime is 542504453. The reversal of 542504434 is 434405245.

It is a super-2 number, since 2×5425044342 = 588622121819320712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542504396 and 542504405.

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, 38022 + ... + 50305.

It is an arithmetic number, because the mean of its divisors is an integer number (52864308).

Almost surely, 2542504434 is an apocalyptic number.

542504434 is a deficient number, since it is larger than the sum of its proper divisors (303324494).

542504434 is a wasteful number, since it uses less digits than its factorization.

542504434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88449.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 542504434 is about 23291.7245819196. The cubic root of 542504434 is about 815.5822474403.

Adding to 542504434 its reverse (434405245), we get a palindrome (976909679).

The spelling of 542504434 in words is "five hundred forty-two million, five hundred four thousand, four hundred thirty-four".

Divisors: 1 2 37 74 83 166 3071 6142 88327 176654 3268099 6536198 7331141 14662282 271252217 542504434