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20150076 = 2238320231
BaseRepresentation
bin100110011011…
…1011100111100
31101220201201010
41030313130330
520124300301
61555515220
7333162402
oct114673474
941821633
1020150076
1110413061
1268b8b10
13423682b
142967472
151b805d6
hex133773c

20150076 has 24 divisors (see below), whose sum is σ = 47585664. Its totient is φ = 6635440.

The previous prime is 20150071. The next prime is 20150077. The reversal of 20150076 is 67005102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9120 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (1982736).

Almost surely, 220150076 is an apocalyptic number.

It is an amenable number.

20150076 is an abundant number, since it is smaller than the sum of its proper divisors (27435588).

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

20150076 is a wasteful number, since it uses less digits than its factorization.

20150076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321 (or 20319 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 20150076 is about 4488.8836028572. The cubic root of 20150076 is about 272.1190187036.

Adding to 20150076 its reverse (67005102), we get a palindrome (87155178).

The spelling of 20150076 in words is "twenty million, one hundred fifty thousand, seventy-six".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 20231 40462 60693 80924 121386 242772 1679173 3358346 5037519 6716692 10075038 20150076