Search a number
-
+
145756704 = 25323251263
BaseRepresentation
bin10001011000000…
…01001000100000
3101011021012121110
420230001020200
5244303203304
622244023320
73416624442
oct1054011040
9334235543
10145756704
1175304195
1240991b40
1324274692
1415502492
15cbe2289
hex8b01220

145756704 has 96 divisors (see below), whose sum is σ = 402361344. Its totient is φ = 46112000.

The previous prime is 145756703. The next prime is 145756711. The reversal of 145756704 is 407657541.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (145756703) by changing a digit.

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, 554077 + ... + 554339.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2145756704 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 145756704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201180672).

145756704 is an abundant number, since it is smaller than the sum of its proper divisors (256604640).

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

145756704 is a wasteful number, since it uses less digits than its factorization.

145756704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 145756704 is about 12072.9741157678. The cubic root of 145756704 is about 526.2710896662.

The spelling of 145756704 in words is "one hundred forty-five million, seven hundred fifty-six thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 69 92 96 138 184 251 263 276 368 502 526 552 736 753 789 1004 1052 1104 1506 1578 2008 2104 2208 3012 3156 4016 4208 5773 6024 6049 6312 8032 8416 11546 12048 12098 12624 17319 18147 23092 24096 24196 25248 34638 36294 46184 48392 66013 69276 72588 92368 96784 132026 138552 145176 184736 193568 198039 264052 277104 290352 396078 528104 554208 580704 792156 1056208 1518299 1584312 2112416 3036598 3168624 4554897 6073196 6337248 9109794 12146392 18219588 24292784 36439176 48585568 72878352 145756704