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20150676 = 22327136151
BaseRepresentation
bin100110011011…
…1100110010100
31101220202112100
41030313212110
520124310201
61555522100
7333164220
oct114674624
941822470
1020150676
1110413557
1268b9330
134236ba0
142967780
151b80886
hex1337994

20150676 has 72 divisors (see below), whose sum is σ = 62701184. Its totient is φ = 5313600.

The previous prime is 20150633. The next prime is 20150677. The reversal of 20150676 is 67605102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150677) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 201 + ... + 6351.

Almost surely, 220150676 is an apocalyptic number.

20150676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20150676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31350592).

20150676 is an abundant number, since it is smaller than the sum of its proper divisors (42550508).

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

20150676 is a wasteful number, since it uses less digits than its factorization.

20150676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6181 (or 6176 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 20150676 is about 4488.9504341215. The cubic root of 20150676 is about 272.1217195998.

Adding to 20150676 its reverse (67605102), we get a palindrome (87755778).

The spelling of 20150676 in words is "twenty million, one hundred fifty thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1638 3276 6151 12302 18453 24604 36906 43057 55359 73812 79963 86114 110718 129171 159926 172228 221436 239889 258342 319852 387513 479778 516684 559741 719667 775026 959556 1119482 1439334 1550052 1679223 2238964 2878668 3358446 5037669 6716892 10075338 20150676