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42158356 = 2223835521
BaseRepresentation
bin1010000011010…
…0100100010100
32221022212101121
42200310210110
541243031411
64103333324
71021224442
oct240644424
987285347
1042158356
1121885219
1212151244
138971096
145855b92
153a7b571
hex2834914

42158356 has 24 divisors (see below), whose sum is σ = 77926464. Its totient is φ = 19916160.

The previous prime is 42158353. The next prime is 42158377. The reversal of 42158356 is 65385124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42158353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4876 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (3246936).

Almost surely, 242158356 is an apocalyptic number.

42158356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42158356 is the 4107-th centered pentagonal number.

It is an amenable number.

42158356 is a deficient number, since it is larger than the sum of its proper divisors (35768108).

42158356 is a wasteful number, since it uses less digits than its factorization.

42158356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631 (or 5629 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 42158356 is about 6492.9466346182. The cubic root of 42158356 is about 348.0389814086.

The spelling of 42158356 in words is "forty-two million, one hundred fifty-eight thousand, three hundred fifty-six".

Divisors: 1 2 4 23 46 83 92 166 332 1909 3818 5521 7636 11042 22084 126983 253966 458243 507932 916486 1832972 10539589 21079178 42158356