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148386240 = 2632567769
BaseRepresentation
bin10001101100000…
…11000111000000
3101100012210122200
420312003013000
5300441324430
622420233200
73451155642
oct1066030700
9340183580
10148386240
117683a862
124183b800
1324985512
14159c8892
15d061460
hex8d831c0

148386240 has 168 divisors, whose sum is σ = 518678160. Its totient is φ = 38928384.

The previous prime is 148386233. The next prime is 148386241. The reversal of 148386240 is 42683841.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 148386195 and 148386204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148386241) 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, 192576 + ... + 193344.

It is an arithmetic number, because the mean of its divisors is an integer number (3087370).

Almost surely, 2148386240 is an apocalyptic number.

148386240 is a gapful number since it is divisible by the number (10) 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 148386240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259339080).

148386240 is an abundant number, since it is smaller than the sum of its proper divisors (370291920).

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

148386240 is a wasteful number, since it uses less digits than its factorization.

148386240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 148386240 is about 12181.3890833517. The cubic root of 148386240 is about 529.4169927153.

The spelling of 148386240 in words is "one hundred forty-eight million, three hundred eighty-six thousand, two hundred forty".