Search a number
-
+
821050914 = 23197202201
BaseRepresentation
bin110000111100000…
…011111000100010
32010012221201010010
4300330003320202
53140142112124
6213245545350
726226550305
oct6074037042
92105851103
10821050914
11391509782
121aab75256
13101143758
147b088b3c
154c134529
hex30f03e22

821050914 has 16 divisors (see below), whose sum is σ = 1728528480. Its totient is φ = 259279200.

The previous prime is 821050883. The next prime is 821050949. The reversal of 821050914 is 419050128.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3600987 + ... + 3601214.

It is an arithmetic number, because the mean of its divisors is an integer number (108033030).

Almost surely, 2821050914 is an apocalyptic number.

821050914 is an abundant number, since it is smaller than the sum of its proper divisors (907477566).

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

821050914 is a wasteful number, since it uses less digits than its factorization.

821050914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7202225.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 821050914 is about 28653.9860054408. The cubic root of 821050914 is about 936.3898473752.

The spelling of 821050914 in words is "eight hundred twenty-one million, fifty thousand, nine hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 7202201 14404402 21606603 43213206 136841819 273683638 410525457 821050914