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154030136 = 23132951071
BaseRepresentation
bin10010010111001…
…01000000111000
3101201211112121212
421023211000320
5303412431021
623141222252
73550143311
oct1113450070
9351745555
10154030136
1179a45137
1243701988
1325bb03c0
1416657608
15d7c885b
hex92e5038

154030136 has 32 divisors (see below), whose sum is σ = 321753600. Its totient is φ = 68638080.

The previous prime is 154030133. The next prime is 154030147. The reversal of 154030136 is 631030451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154030133) 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, 22520 + ... + 28551.

It is an arithmetic number, because the mean of its divisors is an integer number (10054800).

Almost surely, 2154030136 is an apocalyptic number.

It is an amenable number.

154030136 is an abundant number, since it is smaller than the sum of its proper divisors (167723464).

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

154030136 is a wasteful number, since it uses less digits than its factorization.

154030136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51119 (or 51115 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 154030136 is about 12410.8878006370. The cubic root of 154030136 is about 536.0458025016.

Adding to 154030136 its reverse (631030451), we get a palindrome (785060587).

The spelling of 154030136 in words is "one hundred fifty-four million, thirty thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 51071 102142 204284 408568 663923 1327846 1481059 2655692 2962118 5311384 5924236 11848472 19253767 38507534 77015068 154030136