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49887630 = 23351361233
BaseRepresentation
bin1011111001001…
…1100110001110
310110212112222000
42332103212032
5100232401010
64541133130
71144015662
oct276234616
9113775860
1049887630
1126184351
121485a1a6
13a449210
1468a88a2
1545a67c0
hex2f9398e

49887630 has 128 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 12026880.

The previous prime is 49887619. The next prime is 49887641. The reversal of 49887630 is 3678894.

It is a happy number.

49887630 is a `hidden beast` number, since 4 + 9 + 8 + 8 + 7 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (49887619) and next prime (49887641).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213994 + ... + 214226.

It is an arithmetic number, because the mean of its divisors is an integer number (1142505).

Almost surely, 249887630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49887630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

49887630 is an abundant number, since it is smaller than the sum of its proper divisors (96353010).

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

49887630 is a wasteful number, since it uses less digits than its factorization.

49887630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49887630 is about 7063.1175836170. The cubic root of 49887630 is about 368.1269597777.

The spelling of 49887630 in words is "forty-nine million, eight hundred eighty-seven thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 61 65 78 90 117 122 130 135 183 195 233 234 270 305 351 366 390 466 549 585 610 699 702 793 915 1098 1165 1170 1398 1586 1647 1755 1830 2097 2330 2379 2745 3029 3294 3495 3510 3965 4194 4758 5490 6058 6291 6990 7137 7930 8235 9087 10485 11895 12582 14213 14274 15145 16470 18174 20970 21411 23790 27261 28426 30290 31455 35685 42639 42822 45435 54522 62910 71065 71370 81783 85278 90870 107055 127917 136305 142130 163566 184769 213195 214110 255834 272610 369538 383751 408915 426390 554307 639585 767502 817830 923845 1108614 1279170 1662921 1847690 1918755 2771535 3325842 3837510 4988763 5543070 8314605 9977526 16629210 24943815 49887630