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302075072 = 26131997197
BaseRepresentation
bin10010000000010…
…100110011000000
3210001102000002122
4102000110303000
51104312400242
645550303412
710325411225
oct2200246300
9701360078
10302075072
11145571522
12851b7b68
134a776460
142c19394c
151b7bdad2
hex12014cc0

302075072 has 112 divisors (see below), whose sum is σ = 690006240. Its totient is φ = 130056192.

The previous prime is 302075071. The next prime is 302075087. The reversal of 302075072 is 270570203.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (302075071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533278 + ... + 1533474.

It is an arithmetic number, because the mean of its divisors is an integer number (6160770).

Almost surely, 2302075072 is an apocalyptic number.

302075072 is a gapful number since it is divisible by the number (32) 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 302075072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345003120).

302075072 is an abundant number, since it is smaller than the sum of its proper divisors (387931168).

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

302075072 is a wasteful number, since it uses less digits than its factorization.

302075072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 302075072 is about 17380.3070168510. The cubic root of 302075072 is about 670.9728734306.

The spelling of 302075072 in words is "three hundred two million, seventy-five thousand, seventy-two".

Divisors: 1 2 4 8 13 16 19 26 32 38 52 64 76 97 104 152 194 197 208 247 304 388 394 416 494 608 776 788 832 988 1216 1261 1552 1576 1843 1976 2522 2561 3104 3152 3686 3743 3952 5044 5122 6208 6304 7372 7486 7904 10088 10244 12608 14744 14972 15808 19109 20176 20488 23959 29488 29944 38218 40352 40976 47918 48659 58976 59888 76436 80704 81952 95836 97318 117952 119776 152872 163904 191672 194636 239552 248417 305744 363071 383344 389272 496834 611488 726142 766688 778544 993668 1222976 1452284 1533376 1557088 1987336 2904568 3114176 3974672 4719923 5809136 7949344 9439846 11618272 15898688 18879692 23236544 37759384 75518768 151037536 302075072