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153783138 = 2379324437
BaseRepresentation
bin10010010101010…
…00101101100010
3101201100222210210
421022220231202
5303332030023
623132034550
73545064225
oct1112505542
9351328723
10153783138
1179896603
1243602a56
1325b24b52
14165d15bc
15d77a593
hex92a8b62

153783138 has 16 divisors (see below), whose sum is σ = 311460480. Its totient is φ = 50612016.

The previous prime is 153783109. The next prime is 153783163. The reversal of 153783138 is 831387351.

153783138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 153783096 and 153783105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161745 + ... + 162692.

It is an arithmetic number, because the mean of its divisors is an integer number (19466280).

Almost surely, 2153783138 is an apocalyptic number.

153783138 is an abundant number, since it is smaller than the sum of its proper divisors (157677342).

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

153783138 is a wasteful number, since it uses less digits than its factorization.

153783138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324521.

The product of its digits is 60480, while the sum is 39.

The square root of 153783138 is about 12400.9329487745. The cubic root of 153783138 is about 535.7591203416.

The spelling of 153783138 in words is "one hundred fifty-three million, seven hundred eighty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 79 158 237 474 324437 648874 973311 1946622 25630523 51261046 76891569 153783138