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146790144 = 28347079
BaseRepresentation
bin10001011111111…
…01011100000000
3101020012201020000
420233331130000
5300034241034
622322120000
73431460414
oct1057753400
9336181200
10146790144
117594a676
12411b0000
1324546b97
14156d0d44
15cd48599
hex8bfd700

146790144 has 90 divisors (see below), whose sum is σ = 437763480. Its totient is φ = 48923136.

The previous prime is 146790113. The next prime is 146790151. The reversal of 146790144 is 441097641.

146790144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 146790099 and 146790108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17197 + ... + 24275.

Almost surely, 2146790144 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 146790144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218881740).

146790144 is an abundant number, since it is smaller than the sum of its proper divisors (290973336).

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

146790144 is an frugal number, since it uses more digits than its factorization.

146790144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107 (or 7084 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 146790144 is about 12115.6982464900. The cubic root of 146790144 is about 527.5119457025.

The spelling of 146790144 in words is "one hundred forty-six million, seven hundred ninety thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 576 648 768 864 1152 1296 1728 2304 2592 3456 5184 6912 7079 10368 14158 20736 21237 28316 42474 56632 63711 84948 113264 127422 169896 191133 226528 254844 339792 382266 453056 509688 573399 679584 764532 906112 1019376 1146798 1359168 1529064 1812224 2038752 2293596 2718336 3058128 4077504 4587192 5436672 6116256 8155008 9174384 12232512 16310016 18348768 24465024 36697536 48930048 73395072 146790144