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61384323 = 37111320441
BaseRepresentation
bin1110101000101…
…0011010000011
311021111122110110
43222022122003
5111203244243
610031402403
71343521020
oct352123203
9137448413
1061384323
1131716a50
1218683403
13c9430b0
14821c547
1555c7e33
hex3a8a683

61384323 has 32 divisors (see below), whose sum is σ = 109896192. Its totient is φ = 29433600.

The previous prime is 61384321. The next prime is 61384381. The reversal of 61384323 is 32348316.

It is not a de Polignac number, because 61384323 - 21 = 61384321 is a prime.

It is a super-2 number, since 2×613843232 = 7536070220336658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61384321) 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, 7218 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (3434256).

Almost surely, 261384323 is an apocalyptic number.

61384323 is a deficient number, since it is larger than the sum of its proper divisors (48511869).

61384323 is a wasteful number, since it uses less digits than its factorization.

61384323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20475.

The product of its digits is 10368, while the sum is 30.

The square root of 61384323 is about 7834.8148031718. The cubic root of 61384323 is about 394.4747020424.

The spelling of 61384323 in words is "sixty-one million, three hundred eighty-four thousand, three hundred twenty-three".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 1001 3003 20441 61323 143087 224851 265733 429261 674553 797199 1573957 1860131 2923063 4721871 5580393 8769189 20461441 61384323