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13190148 = 2233122131
BaseRepresentation
bin110010010100…
…010000000100
3220211010111000
4302110100010
511334041043
61150413300
7220054146
oct62242004
926733430
1013190148
117499a54
124501230
13296a92a
141a74c96
1512582d3
hexc94404

13190148 has 24 divisors (see below), whose sum is σ = 34196960. Its totient is φ = 4396680.

The previous prime is 13190143. The next prime is 13190153. The reversal of 13190148 is 84109131.

It is an interprime number because it is at equal distance from previous prime (13190143) and next prime (13190153).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13190141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60958 + ... + 61173.

Almost surely, 213190148 is an apocalyptic number.

13190148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13190148 is an abundant number, since it is smaller than the sum of its proper divisors (21006812).

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

13190148 is a wasteful number, since it uses less digits than its factorization.

13190148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122144 (or 122136 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 13190148 is about 3631.8243349589. The cubic root of 13190148 is about 236.2743386364.

Adding to 13190148 its reverse (84109131), we get a palindrome (97299279).

The spelling of 13190148 in words is "thirteen million, one hundred ninety thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 122131 244262 366393 488524 732786 1099179 1465572 2198358 3297537 4396716 6595074 13190148