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42765372 = 2232132329137
BaseRepresentation
bin1010001100100…
…0110000111100
32222110201001200
42203020300330
541421442442
64124335500
71026333246
oct243106074
988421050
1042765372
112215a291
12123a4590
138b24470
145973096
153b4b34c
hex28c8c3c

42765372 has 144 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 12063744.

The previous prime is 42765367. The next prime is 42765403. The reversal of 42765372 is 27356724.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 312088 + ... + 312224.

It is an arithmetic number, because the mean of its divisors is an integer number (879060).

Almost surely, 242765372 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 42765372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63292320).

42765372 is an abundant number, since it is smaller than the sum of its proper divisors (83819268).

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

42765372 is a wasteful number, since it uses less digits than its factorization.

42765372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 207 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 42765372 is about 6539.5238358767. The cubic root of 42765372 is about 349.7014379056.

The spelling of 42765372 in words is "forty-two million, seven hundred sixty-five thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 23 26 29 36 39 46 52 58 69 78 87 92 116 117 137 138 156 174 207 234 261 274 276 299 348 377 411 414 468 522 548 598 667 754 822 828 897 1044 1131 1196 1233 1334 1508 1644 1781 1794 2001 2262 2466 2668 2691 3151 3393 3562 3588 3973 4002 4524 4932 5343 5382 6003 6302 6786 7124 7946 8004 8671 9453 10686 10764 11919 12006 12604 13572 15892 16029 17342 18906 21372 23838 24012 26013 28359 32058 34684 35757 37812 40963 47676 51649 52026 56718 64116 71514 78039 81926 91379 103298 104052 113436 122889 143028 154947 156078 163852 182758 206596 245778 274137 309894 312156 365516 368667 464841 491556 548274 619788 737334 822411 929682 1096548 1187927 1474668 1644822 1859364 2375854 3289644 3563781 4751708 7127562 10691343 14255124 21382686 42765372