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153344840 = 235111492339
BaseRepresentation
bin10010010001111…
…01101101001000
3101200112201120112
421020331231020
5303224013330
623114413452
73541260335
oct1110755510
9350481515
10153344840
1179617280
1243431288
1325a004bc
141651998c
15d6e0795
hex923db48

153344840 has 64 divisors (see below), whose sum is σ = 379080000. Its totient is φ = 55363840.

The previous prime is 153344831. The next prime is 153344857. The reversal of 153344840 is 48443351.

It is a junction number, because it is equal to n+sod(n) for n = 153344797 and 153344806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64391 + ... + 66729.

It is an arithmetic number, because the mean of its divisors is an integer number (5923125).

Almost surely, 2153344840 is an apocalyptic number.

153344840 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 153344840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189540000).

153344840 is an abundant number, since it is smaller than the sum of its proper divisors (225735160).

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

153344840 is a wasteful number, since it uses less digits than its factorization.

153344840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 153344840 is about 12383.2483622029. The cubic root of 153344840 is about 535.2496462057.

The spelling of 153344840 in words is "one hundred fifty-three million, three hundred forty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 149 220 298 440 596 745 1192 1490 1639 2339 2980 3278 4678 5960 6556 8195 9356 11695 13112 16390 18712 23390 25729 32780 46780 51458 65560 93560 102916 128645 205832 257290 348511 514580 697022 1029160 1394044 1742555 2788088 3485110 3833621 6970220 7667242 13940440 15334484 19168105 30668968 38336210 76672420 153344840