Search a number
-
+
75346040 = 235711171439
BaseRepresentation
bin1000111110110…
…11000001111000
312020202222100002
410133123001320
5123242033130
611250532132
71603300520
oct437330170
9166688302
1075346040
1139592660
1221297048
13127c0c73
14a014680
156934b45
hex47db078

75346040 has 128 divisors (see below), whose sum is σ = 223948800. Its totient is φ = 22087680.

The previous prime is 75346003. The next prime is 75346043. The reversal of 75346040 is 4064357.

It is a junction number, because it is equal to n+sod(n) for n = 75345994 and 75346012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75346043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51641 + ... + 53079.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 275346040 is an apocalyptic number.

75346040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75346040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111974400).

75346040 is an abundant number, since it is smaller than the sum of its proper divisors (148602760).

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

75346040 is a wasteful number, since it uses less digits than its factorization.

75346040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 75346040 is about 8680.2096748869. The cubic root of 75346040 is about 422.3639186878.

The spelling of 75346040 in words is "seventy-five million, three hundred forty-six thousand, forty".

Divisors: 1 2 4 5 7 8 10 11 14 17 20 22 28 34 35 40 44 55 56 68 70 77 85 88 110 119 136 140 154 170 187 220 238 280 308 340 374 385 440 476 595 616 680 748 770 935 952 1190 1309 1439 1496 1540 1870 2380 2618 2878 3080 3740 4760 5236 5756 6545 7195 7480 10073 10472 11512 13090 14390 15829 20146 24463 26180 28780 31658 40292 48926 50365 52360 57560 63316 79145 80584 97852 100730 110803 122315 126632 158290 171241 195704 201460 221606 244630 269093 316580 342482 402920 443212 489260 538186 554015 633160 684964 856205 886424 978520 1076372 1108030 1345465 1369928 1712410 1883651 2152744 2216060 2690930 3424820 3767302 4432120 5381860 6849640 7534604 9418255 10763720 15069208 18836510 37673020 75346040