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42140310 = 2352236299
BaseRepresentation
bin1010000011000…
…0001010010110
32221021221122020
42200300022112
541241442220
64103114010
71021121022
oct240601226
987257566
1042140310
1121872703
1212142906
138965ac4
14584d382
153a76040
hex2830296

42140310 has 32 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 11185248.

The previous prime is 42140303. The next prime is 42140321. The reversal of 42140310 is 1304124.

It is a super-2 number, since 2×421403102 = 3551611453792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42140310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3541 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 242140310 is an apocalyptic number.

42140310 is an abundant number, since it is smaller than the sum of its proper divisors (59466090).

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

42140310 is a wasteful number, since it uses less digits than its factorization.

42140310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42140310 is about 6491.5568240600. The cubic root of 42140310 is about 347.9893146409.

Adding to 42140310 its reverse (1304124), we get a palindrome (43444434).

The spelling of 42140310 in words is "forty-two million, one hundred forty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 223 446 669 1115 1338 2230 3345 6299 6690 12598 18897 31495 37794 62990 94485 188970 1404677 2809354 4214031 7023385 8428062 14046770 21070155 42140310