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20141970 = 2353831753
BaseRepresentation
bin100110011010…
…1011110010010
31101220022120220
41030311132102
520124020340
61555413510
7333126642
oct114653622
941808526
1020141970
1110407a62
1268b4296
134232c34
142964522
151b7ced0
hex1335792

20141970 has 32 divisors (see below), whose sum is σ = 48494592. Its totient is φ = 5354112.

The previous prime is 20141939. The next prime is 20142007. The reversal of 20141970 is 7914102.

It is a self number, because there is not a number n which added to its sum of digits gives 20141970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10614 + ... + 12366.

It is an arithmetic number, because the mean of its divisors is an integer number (1515456).

Almost surely, 220141970 is an apocalyptic number.

20141970 is an abundant number, since it is smaller than the sum of its proper divisors (28352622).

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

20141970 is a wasteful number, since it uses less digits than its factorization.

20141970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 20141970 is about 4487.9806149314. The cubic root of 20141970 is about 272.0825243398.

The spelling of 20141970 in words is "twenty million, one hundred forty-one thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 383 766 1149 1753 1915 2298 3506 3830 5259 5745 8765 10518 11490 17530 26295 52590 671399 1342798 2014197 3356995 4028394 6713990 10070985 20141970