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148379420 = 22572115023
BaseRepresentation
bin10001101100000…
…01011100011100
3101100012110022002
420312001130130
5300441120140
622420141432
73451130030
oct1066013434
9340173262
10148379420
1176835722
1241837878
1324982397
14159c61c0
15d05e415
hex8d8171c

148379420 has 48 divisors (see below), whose sum is σ = 357869568. Its totient is φ = 50621760.

The previous prime is 148379419. The next prime is 148379449. The reversal of 148379420 is 24973841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27029 + ... + 32051.

It is an arithmetic number, because the mean of its divisors is an integer number (7455616).

Almost surely, 2148379420 is an apocalyptic number.

148379420 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 148379420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178934784).

148379420 is an abundant number, since it is smaller than the sum of its proper divisors (209490148).

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

148379420 is a wasteful number, since it uses less digits than its factorization.

148379420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250 (or 5248 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 148379420 is about 12181.1091449014. The cubic root of 148379420 is about 529.4088817224.

The spelling of 148379420 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 211 422 844 1055 1477 2110 2954 4220 5023 5908 7385 10046 14770 20092 25115 29540 35161 50230 70322 100460 140644 175805 351610 703220 1059853 2119706 4239412 5299265 7418971 10598530 14837942 21197060 29675884 37094855 74189710 148379420