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42002464 = 2571971139
BaseRepresentation
bin1010000000111…
…0100000100000
32221000221112211
42200032200200
541223034324
64100131504
71020005110
oct240164040
987027484
1042002464
1121789089
1212096b94
13891813a
145815040
153a4a294
hex280e820

42002464 has 96 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 16692480.

The previous prime is 42002459. The next prime is 42002507. The reversal of 42002464 is 46420024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302107 + ... + 302245.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 242002464 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 42002464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

42002464 is an abundant number, since it is smaller than the sum of its proper divisors (59603936).

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

42002464 is a wasteful number, since it uses less digits than its factorization.

42002464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42002464 is about 6480.9307973469. The cubic root of 42002464 is about 347.6094619189.

Adding to 42002464 its reverse (46420024), we get a palindrome (88422488).

The spelling of 42002464 in words is "forty-two million, two thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 71 76 112 133 139 142 152 224 266 278 284 304 497 532 556 568 608 973 994 1064 1112 1136 1349 1946 1988 2128 2224 2272 2641 2698 3892 3976 4256 4448 5282 5396 7784 7952 9443 9869 10564 10792 15568 15904 18487 18886 19738 21128 21584 31136 36974 37772 39476 42256 43168 69083 73948 75544 78952 84512 138166 147896 151088 157904 187511 276332 295792 302176 315808 375022 552664 591584 750044 1105328 1312577 1500088 2210656 2625154 3000176 5250308 6000352 10500616 21001232 42002464