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153053240 = 23519719423
BaseRepresentation
bin10010001111101…
…10100000111000
3101122222220120112
421013312200320
5303140200430
623104243452
73535634234
oct1107664070
9348886515
10153053240
117943818a
1243310588
132592a862
14164815c4
15d684195
hex91f6838

153053240 has 32 divisors (see below), whose sum is σ = 346135680. Its totient is φ = 60907392.

The previous prime is 153053237. The next prime is 153053267. The reversal of 153053240 is 42350351.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (10816740).

Almost surely, 2153053240 is an apocalyptic number.

153053240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153053240 is an abundant number, since it is smaller than the sum of its proper divisors (193082440).

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

153053240 is a wasteful number, since it uses less digits than its factorization.

153053240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631 (or 19627 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 153053240 is about 12371.4687891131. The cubic root of 153053240 is about 534.9101546509.

The spelling of 153053240 in words is "one hundred fifty-three million, fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 197 394 788 985 1576 1970 3940 7880 19423 38846 77692 97115 155384 194230 388460 776920 3826331 7652662 15305324 19131655 30610648 38263310 76526620 153053240