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42110380 = 225131491087
BaseRepresentation
bin1010000010100…
…0110110101100
32221020102120201
42200220312230
541240013010
64102323244
71020634534
oct240506654
987212521
1042110380
1121852174
1212129524
1389552b0
1458424c4
153a6c23a
hex2828dac

42110380 has 48 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 15429888.

The previous prime is 42110347. The next prime is 42110381. The reversal of 42110380 is 8301124.

It is not an unprimeable number, because it can be changed into a prime (42110381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38197 + ... + 39283.

It is an arithmetic number, because the mean of its divisors is an integer number (1999200).

Almost surely, 242110380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42110380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47980800).

42110380 is an abundant number, since it is smaller than the sum of its proper divisors (53851220).

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

42110380 is a wasteful number, since it uses less digits than its factorization.

42110380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 42110380 is about 6489.2511124166. The cubic root of 42110380 is about 347.9069090853.

It can be divided in two parts, 421 and 10380, that added together give a palindrome (10801).

The spelling of 42110380 in words is "forty-two million, one hundred ten thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 149 260 298 596 745 1087 1490 1937 2174 2980 3874 4348 5435 7748 9685 10870 14131 19370 21740 28262 38740 56524 70655 141310 161963 282620 323926 647852 809815 1619630 2105519 3239260 4211038 8422076 10527595 21055190 42110380