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49163380 = 2257379491
BaseRepresentation
bin1011101110001…
…0110001110100
310102111202110221
42323202301310
5100041212010
64513424124
71134611320
oct273426164
9112452427
1049163380
112582a1a2
121456b044
13a254676
14675a980
1544b1dda
hex2ee2c74

49163380 has 48 divisors (see below), whose sum is σ = 121193856. Its totient is φ = 16398720.

The previous prime is 49163357. The next prime is 49163399. The reversal of 49163380 is 8336194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (2524872).

Almost surely, 249163380 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 49163380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60596928).

49163380 is an abundant number, since it is smaller than the sum of its proper divisors (72030476).

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

49163380 is a wasteful number, since it uses less digits than its factorization.

49163380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544 (or 9542 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 49163380 is about 7011.6602884053. The cubic root of 49163380 is about 366.3368255052.

The spelling of 49163380 in words is "forty-nine million, one hundred sixty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 9491 18982 37964 47455 66437 94910 132874 189820 265748 332185 351167 664370 702334 1328740 1404668 1755835 2458169 3511670 4916338 7023340 9832676 12290845 24581690 49163380