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542387052 = 2232109277499
BaseRepresentation
bin100000010101000…
…010101101101100
31101210121010011100
4200111002231230
52102322341202
6125453123100
716304133234
oct4025025554
91353533140
10542387052
11259188469
12131789490
13884a62ac
145206acc4
153293c41c
hex20542b6c

542387052 has 72 divisors (see below), whose sum is σ = 1391390000. Its totient is φ = 178132608.

The previous prime is 542387011. The next prime is 542387063. The reversal of 542387052 is 250783245.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 542386998 and 542387016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086699 + ... + 1087197.

Almost surely, 2542387052 is an apocalyptic number.

It is an amenable number.

542387052 is an abundant number, since it is smaller than the sum of its proper divisors (849002948).

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

542387052 is a wasteful number, since it uses less digits than its factorization.

542387052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 542387052 is about 23289.2046236019. The cubic root of 542387052 is about 815.5234205288.

The spelling of 542387052 in words is "five hundred forty-two million, three hundred eighty-seven thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 109 218 277 327 436 499 554 654 831 981 998 1108 1308 1497 1662 1962 1996 2493 2994 3324 3924 4491 4986 5988 8982 9972 17964 30193 54391 60386 90579 108782 120772 138223 163173 181158 217564 271737 276446 326346 362316 414669 489519 543474 552892 652692 829338 979038 1086948 1244007 1658676 1958076 2488014 4976028 15066307 30132614 45198921 60265228 90397842 135596763 180795684 271193526 542387052