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42145350 = 23521321613
BaseRepresentation
bin1010000011000…
…1011001000110
32221022012112220
42200301121012
541242122400
64103153210
71021141512
oct240613106
987265486
1042145350
1121876475
1212145806
1389681a0
145851142
153a777a0
hex2831646

42145350 has 48 divisors (see below), whose sum is σ = 112565712. Its totient is φ = 10373760.

The previous prime is 42145343. The next prime is 42145379. The reversal of 42145350 is 5354124.

It is a self number, because there is not a number n which added to its sum of digits gives 42145350.

It is a congruent number.

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, 8857 + ... + 12756.

It is an arithmetic number, because the mean of its divisors is an integer number (2345119).

Almost surely, 242145350 is an apocalyptic number.

42145350 is an abundant number, since it is smaller than the sum of its proper divisors (70420362).

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

42145350 is a wasteful number, since it uses less digits than its factorization.

42145350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641 (or 21636 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42145350 is about 6491.9450090092. The cubic root of 42145350 is about 348.0031873139.

Adding to 42145350 its reverse (5354124), we get a palindrome (47499474).

The spelling of 42145350 in words is "forty-two million, one hundred forty-five thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 21613 43226 64839 108065 129678 216130 280969 324195 540325 561938 648390 842907 1080650 1404845 1620975 1685814 2809690 3241950 4214535 7024225 8429070 14048450 21072675 42145350