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154242426 = 231310718481
BaseRepresentation
bin10010011000110…
…00110101111010
3101202020022211110
421030120311322
5303441224201
623145541150
73552016242
oct1114306572
9352208743
10154242426
117a07a688
12437a47b6
1325c55c10
14166b0b22
15d81b6d6
hex9318d7a

154242426 has 32 divisors (see below), whose sum is σ = 335337408. Its totient is φ = 47013120.

The previous prime is 154242383. The next prime is 154242427. The reversal of 154242426 is 624242451.

154242426 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 154242393 and 154242402.

It is not an unprimeable number, because it can be changed into a prime (154242427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895 + ... + 17586.

It is an arithmetic number, because the mean of its divisors is an integer number (10479294).

Almost surely, 2154242426 is an apocalyptic number.

154242426 is an abundant number, since it is smaller than the sum of its proper divisors (181094982).

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

154242426 is a wasteful number, since it uses less digits than its factorization.

154242426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

The product of its digits is 15360, while the sum is 30.

The square root of 154242426 is about 12419.4374268724. The cubic root of 154242426 is about 536.2919554657.

Adding to 154242426 its reverse (624242451), we get a palindrome (778484877).

The spelling of 154242426 in words is "one hundred fifty-four million, two hundred forty-two thousand, four hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 107 214 321 642 1391 2782 4173 8346 18481 36962 55443 110886 240253 480506 720759 1441518 1977467 3954934 5932401 11864802 25707071 51414142 77121213 154242426