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79413630 = 23517315023
BaseRepresentation
bin1001011101111…
…00000101111110
312112102122000120
410232330011332
5130312214010
611514035410
71653001422
oct456740576
9175378016
1079413630
11409106aa
1222718b66
13135b651a
14a792b82
156e89e70
hex4bbc17e

79413630 has 64 divisors (see below), whose sum is σ = 208355328. Its totient is φ = 19284480.

The previous prime is 79413617. The next prime is 79413637. The reversal of 79413630 is 3631497.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79413591 and 79413600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79413637) 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, 13299 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (3255552).

Almost surely, 279413630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79413630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104177664).

79413630 is an abundant number, since it is smaller than the sum of its proper divisors (128941698).

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

79413630 is a wasteful number, since it uses less digits than its factorization.

79413630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 79413630 is about 8911.4325447708. The cubic root of 79413630 is about 429.8316088446.

The spelling of 79413630 in words is "seventy-nine million, four hundred thirteen thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 31 34 51 62 85 93 102 155 170 186 255 310 465 510 527 930 1054 1581 2635 3162 5023 5270 7905 10046 15069 15810 25115 30138 50230 75345 85391 150690 155713 170782 256173 311426 426955 467139 512346 778565 853910 934278 1280865 1557130 2335695 2561730 2647121 4671390 5294242 7941363 13235605 15882726 26471210 39706815 79413630