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154800428 = 2270155207
BaseRepresentation
bin10010011101000…
…01000100101100
3101210021200021012
421032201010230
5304112103203
623205524352
73556532126
oct1116410454
9353250235
10154800428
117a420942
1243a136b8
13260bcbb3
14167b8216
15d8cbbd8
hex93a112c

154800428 has 12 divisors (see below), whose sum is σ = 271292112. Its totient is φ = 77288400.

The previous prime is 154800409. The next prime is 154800449. The reversal of 154800428 is 824008451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 154800394 and 154800403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24800 + ... + 30407.

It is an arithmetic number, because the mean of its divisors is an integer number (22607676).

Almost surely, 2154800428 is an apocalyptic number.

It is an amenable number.

154800428 is a deficient number, since it is larger than the sum of its proper divisors (116491684).

154800428 is a wasteful number, since it uses less digits than its factorization.

154800428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55912 (or 55910 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 154800428 is about 12441.8820119787. The cubic root of 154800428 is about 536.9378906721.

Adding to 154800428 its reverse (824008451), we get a palindrome (978808879).

The spelling of 154800428 in words is "one hundred fifty-four million, eight hundred thousand, four hundred twenty-eight".

Divisors: 1 2 4 701 1402 2804 55207 110414 220828 38700107 77400214 154800428