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153340749 = 3343113177
BaseRepresentation
bin10010010001111…
…00101101001101
3101200112111222000
421020330231031
5303223400444
623114342513
73541242402
oct1110745515
9350474860
10153340749
11796141a1
124342aa39
13259cb693
14165182a9
15d6de469
hex923cb4d

153340749 has 16 divisors (see below), whose sum is σ = 227715840. Its totient is φ = 101982240.

The previous prime is 153340741. The next prime is 153340751. The reversal of 153340749 is 947043351.

153340749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153340749 - 23 = 153340741 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153340741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5049 + ... + 18225.

It is an arithmetic number, because the mean of its divisors is an integer number (14232240).

Almost surely, 2153340749 is an apocalyptic number.

It is an amenable number.

153340749 is a deficient number, since it is larger than the sum of its proper divisors (74375091).

153340749 is a wasteful number, since it uses less digits than its factorization.

153340749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617 (or 13611 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 153340749 is about 12383.0831782719. The cubic root of 153340749 is about 535.2448862895.

The spelling of 153340749 in words is "one hundred fifty-three million, three hundred forty thousand, seven hundred forty-nine".

Divisors: 1 3 9 27 431 1293 3879 11637 13177 39531 118593 355779 5679287 17037861 51113583 153340749