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49976290 = 2571354919
BaseRepresentation
bin1011111010100…
…1001111100010
310111001001120201
42332221033202
5100243220130
64543055414
71144535320
oct276511742
9114031521
1049976290
1126234a21
12148a156a
13a47a690
1468ccd10
1545c2bca
hex2fa93e2

49976290 has 32 divisors (see below), whose sum is σ = 110718720. Its totient is φ = 15816384.

The previous prime is 49976249. The next prime is 49976291. The reversal of 49976290 is 9267994.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 49976290.

It is not an unprimeable number, because it can be changed into a prime (49976291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26550 + ... + 28369.

It is an arithmetic number, because the mean of its divisors is an integer number (3459960).

Almost surely, 249976290 is an apocalyptic number.

49976290 is an abundant number, since it is smaller than the sum of its proper divisors (60742430).

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

49976290 is a wasteful number, since it uses less digits than its factorization.

49976290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54946.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 49976290 is about 7069.3910628851. The cubic root of 49976290 is about 368.3449083991.

The spelling of 49976290 in words is "forty-nine million, nine hundred seventy-six thousand, two hundred ninety".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 54919 109838 274595 384433 549190 713947 768866 1427894 1922165 3569735 3844330 4997629 7139470 9995258 24988145 49976290