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151402728 = 23322328289
BaseRepresentation
bin10010000011000…
…11100011101000
3101112220001111110
421001203203220
5302224341403
623005030320
73515621241
oct1101434350
9345801443
10151402728
1178510124
12428553a0
13254a0519
1416171cc8
15d45a103
hex90638e8

151402728 has 32 divisors (see below), whose sum is σ = 380217600. Its totient is φ = 50239488.

The previous prime is 151402723. The next prime is 151402733. The reversal of 151402728 is 827204151.

It is an interprime number because it is at equal distance from previous prime (151402723) and next prime (151402733).

It is a junction number, because it is equal to n+sod(n) for n = 151402695 and 151402704.

It is not an unprimeable number, because it can be changed into a prime (151402723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8793 + ... + 19496.

It is an arithmetic number, because the mean of its divisors is an integer number (11881800).

Almost surely, 2151402728 is an apocalyptic number.

It is an amenable number.

151402728 is an abundant number, since it is smaller than the sum of its proper divisors (228814872).

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

151402728 is a wasteful number, since it uses less digits than its factorization.

151402728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521 (or 28517 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 151402728 is about 12304.5815857346. The cubic root of 151402728 is about 532.9803939204.

Adding to 151402728 its reverse (827204151), we get a palindrome (978606879).

The spelling of 151402728 in words is "one hundred fifty-one million, four hundred two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 223 446 669 892 1338 1784 2676 5352 28289 56578 84867 113156 169734 226312 339468 678936 6308447 12616894 18925341 25233788 37850682 50467576 75701364 151402728