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134490048 = 2637112827
BaseRepresentation
bin10000000010000…
…10011111000000
3100101001210122220
420001002133000
5233412140143
621202331040
73222101160
oct1001023700
9311053586
10134490048
1169a09400
1239059a80
1321b2b414
1413c0c5a0
15bc18d83
hex80427c0

134490048 has 168 divisors, whose sum is σ = 447543936. Its totient is φ = 34890240.

The previous prime is 134490011. The next prime is 134490049. The reversal of 134490048 is 840094431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×1344900482 = 36175146022084608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134490049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162211 + ... + 163037.

It is an arithmetic number, because the mean of its divisors is an integer number (2663952).

Almost surely, 2134490048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134490048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223771968).

134490048 is an abundant number, since it is smaller than the sum of its proper divisors (313053888).

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

134490048 is a wasteful number, since it uses less digits than its factorization.

134490048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 134490048 is about 11596.9844356195. The cubic root of 134490048 is about 512.3460388609.

The spelling of 134490048 in words is "one hundred thirty-four million, four hundred ninety thousand, forty-eight".