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49720716 = 223617259
BaseRepresentation
bin1011110110101…
…0110110001100
310110120002000000
42331222312030
5100212030331
64533404300
71142422233
oct275526614
9113502000
1049720716
112607aa01
1214799690
13a3bb256
146863b1a
1545720e6
hex2f6ad8c

49720716 has 126 divisors (see below), whose sum is σ = 140931420. Its totient is φ = 15334272.

The previous prime is 49720691. The next prime is 49720721. The reversal of 49720716 is 61702794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 842695 + ... + 842753.

Almost surely, 249720716 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 49720716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70465710).

49720716 is an abundant number, since it is smaller than the sum of its proper divisors (91210704).

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

49720716 is a wasteful number, since it uses less digits than its factorization.

49720716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 49720716 is about 7051.2917965434. The cubic root of 49720716 is about 367.7159413938.

The spelling of 49720716 in words is "forty-nine million, seven hundred twenty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 59 68 81 102 108 118 153 162 177 204 236 243 289 306 324 354 459 486 531 578 612 708 729 867 918 972 1003 1062 1156 1377 1458 1593 1734 1836 2006 2124 2601 2754 2916 3009 3186 3468 4012 4131 4779 5202 5508 6018 6372 7803 8262 9027 9558 10404 12036 12393 14337 15606 16524 17051 18054 19116 23409 24786 27081 28674 31212 34102 36108 43011 46818 49572 51153 54162 57348 68204 70227 81243 86022 93636 102306 108324 140454 153459 162486 172044 204612 210681 243729 280908 306918 324972 421362 460377 487458 613836 731187 842724 920754 974916 1381131 1462374 1841508 2762262 2924748 4143393 5524524 8286786 12430179 16573572 24860358 49720716