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13142950 = 252436113
BaseRepresentation
bin110010001000…
…101110100110
3220201201201221
4302020232212
511331033300
61145410554
7216466432
oct62105646
926651657
1013142950
117467547
124499a5a
1329522c2
141a619c2
15124931a
hexc88ba6

13142950 has 24 divisors (see below), whose sum is σ = 25018488. Its totient is φ = 5134080.

The previous prime is 13142933. The next prime is 13142957. The reversal of 13142950 is 5924131.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 907 + ... + 5206.

It is an arithmetic number, because the mean of its divisors is an integer number (1042437).

Almost surely, 213142950 is an apocalyptic number.

13142950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13142950 is a deficient number, since it is larger than the sum of its proper divisors (11875538).

13142950 is a wasteful number, since it uses less digits than its factorization.

13142950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6163 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13142950 is about 3625.3206754713. The cubic root of 13142950 is about 235.9921835006.

The spelling of 13142950 in words is "thirteen million, one hundred forty-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 215 430 1075 2150 6113 12226 30565 61130 152825 262859 305650 525718 1314295 2628590 6571475 13142950