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153424240 = 24519100937
BaseRepresentation
bin10010010010100…
…01000101110000
3101200200202111021
421021101011300
5303234033430
623120225224
73542040664
oct1111210560
9350622437
10153424240
11796709a2
124346b214
1325a2a698
141653a8a4
15d70907a
hex9251170

153424240 has 40 divisors (see below), whose sum is σ = 375489360. Its totient is φ = 58139136.

The previous prime is 153424231. The next prime is 153424247. The reversal of 153424240 is 42424351.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153424247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48949 + ... + 51988.

It is an arithmetic number, because the mean of its divisors is an integer number (9387234).

Almost surely, 2153424240 is an apocalyptic number.

153424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153424240 is an abundant number, since it is smaller than the sum of its proper divisors (222065120).

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

153424240 is a wasteful number, since it uses less digits than its factorization.

153424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100969 (or 100963 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 153424240 is about 12386.4538912475. The cubic root of 153424240 is about 535.3420120762.

Adding to 153424240 its reverse (42424351), we get a palindrome (195848591).

It can be divided in two parts, 153424 and 240, that added together give a square (153664 = 3922).

The spelling of 153424240 in words is "one hundred fifty-three million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 100937 201874 403748 504685 807496 1009370 1614992 1917803 2018740 3835606 4037480 7671212 8074960 9589015 15342424 19178030 30684848 38356060 76712120 153424240