Search a number
-
+
45738420 = 22357138377
BaseRepresentation
bin1010111001111…
…0100110110100
310012001202022120
42232132212310
543202112140
64312155540
71063525110
oct256364664
9105052276
1045738420
11238aaa52
1213398bb0
139625770
146108740
1540371d0
hex2b9e9b4

45738420 has 96 divisors (see below), whose sum is σ = 157640448. Its totient is φ = 9649152.

The previous prime is 45738403. The next prime is 45738431. The reversal of 45738420 is 2483754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1272 + ... + 9648.

It is an arithmetic number, because the mean of its divisors is an integer number (1642088).

Almost surely, 245738420 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 45738420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78820224).

45738420 is an abundant number, since it is smaller than the sum of its proper divisors (111902028).

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

45738420 is a wasteful number, since it uses less digits than its factorization.

45738420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8407 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 45738420 is about 6763.0185568280. The cubic root of 45738420 is about 357.6243263283.

The spelling of 45738420 in words is "forty-five million, seven hundred thirty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 8377 16754 25131 33508 41885 50262 58639 83770 100524 108901 117278 125655 167540 175917 217802 234556 251310 293195 326703 351834 435604 502620 544505 586390 653406 703668 762307 879585 1089010 1172780 1306812 1524614 1633515 1759170 2178020 2286921 3049228 3267030 3518340 3811535 4573842 6534060 7623070 9147684 11434605 15246140 22869210 45738420