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154244152 = 2319280519
BaseRepresentation
bin10010011000110…
…01010000111000
3101202020102012101
421030121100320
5303441303102
623145553144
73552024256
oct1114312070
9352212171
10154244152
117a080a07
12437a57b4
1325c5693a
14166b15d6
15d81be87
hex9319438

154244152 has 8 divisors (see below), whose sum is σ = 289207800. Its totient is φ = 77122072.

The previous prime is 154244137. The next prime is 154244159. The reversal of 154244152 is 251442451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 154244152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154244159) 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 as a sum of consecutive naturals, namely, 9640252 + ... + 9640267.

It is an arithmetic number, because the mean of its divisors is an integer number (36150975).

Almost surely, 2154244152 is an apocalyptic number.

It is an amenable number.

154244152 is a deficient number, since it is larger than the sum of its proper divisors (134963648).

154244152 is a wasteful number, since it uses less digits than its factorization.

154244152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280525 (or 19280521 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 154244152 is about 12419.5069145276. The cubic root of 154244152 is about 536.2939558588.

The spelling of 154244152 in words is "one hundred fifty-four million, two hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19280519 38561038 77122076 154244152