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153214768 = 2472195427
BaseRepresentation
bin10010010000111…
…01111100110000
3101200022010011001
421020131330300
5303210333033
623111531344
73540206200
oct1110357460
9350263131
10153214768
1179538583
1243389b54
1325986235
14164c4400
15d6b6e7d
hex921df30

153214768 has 30 divisors (see below), whose sum is σ = 345321276. Its totient is φ = 65663136.

The previous prime is 153214759. The next prime is 153214769. The reversal of 153214768 is 867412351.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (153214769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96930 + ... + 98497.

Almost surely, 2153214768 is an apocalyptic number.

It is an amenable number.

153214768 is an abundant number, since it is smaller than the sum of its proper divisors (192106508).

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

153214768 is a wasteful number, since it uses less digits than its factorization.

153214768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195449 (or 195436 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 153214768 is about 12377.9953142664. The cubic root of 153214768 is about 535.0982647698.

The spelling of 153214768 in words is "one hundred fifty-three million, two hundred fourteen thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 195427 390854 781708 1367989 1563416 2735978 3126832 5471956 9575923 10943912 19151846 21887824 38303692 76607384 153214768