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148269408 = 25372353181
BaseRepresentation
bin10001101011001…
…10100101100000
3101022222212101120
420311212211200
5300424110113
622413532240
73450161220
oct1065464540
9338885346
10148269408
1176770001
12417a4080
13249442a1
1415998080
15d03ba23
hex8d66960

148269408 has 192 divisors, whose sum is σ = 475517952. Its totient is φ = 39536640.

The previous prime is 148269403. The next prime is 148269421. The reversal of 148269408 is 804962841.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 148269408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148269403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819078 + ... + 819258.

It is an arithmetic number, because the mean of its divisors is an integer number (2476656).

Almost surely, 2148269408 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 148269408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237758976).

148269408 is an abundant number, since it is smaller than the sum of its proper divisors (327248544).

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

148269408 is a wasteful number, since it uses less digits than its factorization.

148269408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 148269408 is about 12176.5926268394. The cubic root of 148269408 is about 529.2780106315.

The spelling of 148269408 in words is "one hundred forty-eight million, two hundred sixty-nine thousand, four hundred eight".