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154012216 = 2331621017
BaseRepresentation
bin10010010111000…
…00101000111000
3101201210122001011
421023200220320
5303411342331
623141003304
73550040131
oct1113405070
9351718034
10154012216
1179a32726
12436b3534
1325ba51b7
1416650c88
15d7c33b1
hex92e0a38

154012216 has 16 divisors (see below), whose sum is σ = 298088640. Its totient is φ = 74521920.

The previous prime is 154012213. The next prime is 154012217. The reversal of 154012216 is 612210451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154012213) 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 3 ways as a sum of consecutive naturals, for example, 310261 + ... + 310756.

It is an arithmetic number, because the mean of its divisors is an integer number (18630540).

Almost surely, 2154012216 is an apocalyptic number.

It is an amenable number.

154012216 is a deficient number, since it is larger than the sum of its proper divisors (144076424).

154012216 is a wasteful number, since it uses less digits than its factorization.

154012216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621054 (or 621050 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 154012216 is about 12410.1658328968. The cubic root of 154012216 is about 536.0250136838.

Adding to 154012216 its reverse (612210451), we get a palindrome (766222667).

The spelling of 154012216 in words is "one hundred fifty-four million, twelve thousand, two hundred sixteen".

Divisors: 1 2 4 8 31 62 124 248 621017 1242034 2484068 4968136 19251527 38503054 77006108 154012216