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153230061 = 3173781203
BaseRepresentation
bin10010010001000…
…01101011101101
3101200022220010110
421020201223231
5303211330221
623112130233
73540301605
oct1110415355
9350286113
10153230061
1179549016
1243396979
132599019a
14164c9c05
15d6bb776
hex9221aed

153230061 has 16 divisors (see below), whose sum is σ = 222174144. Its totient is φ = 93544704.

The previous prime is 153230053. The next prime is 153230069. The reversal of 153230061 is 160032351.

It is an interprime number because it is at equal distance from previous prime (153230053) and next prime (153230069).

It is not a de Polignac number, because 153230061 - 23 = 153230053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153230069) 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 15 ways as a sum of consecutive naturals, for example, 38715 + ... + 42488.

It is an arithmetic number, because the mean of its divisors is an integer number (13885884).

Almost surely, 2153230061 is an apocalyptic number.

It is an amenable number.

153230061 is a deficient number, since it is larger than the sum of its proper divisors (68944083).

153230061 is a wasteful number, since it uses less digits than its factorization.

153230061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81260.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 153230061 is about 12378.6130483185. The cubic root of 153230061 is about 535.1160676349.

The spelling of 153230061 in words is "one hundred fifty-three million, two hundred thirty thousand, sixty-one".

Divisors: 1 3 17 37 51 111 629 1887 81203 243609 1380451 3004511 4141353 9013533 51076687 153230061