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153430040 = 2353835751
BaseRepresentation
bin10010010010100…
…10100000011000
3101200201001110002
421021102200120
5303234230130
623120312132
73542063621
oct1111224030
9350631402
10153430040
1179675295
1243472648
1325a3020a
141653ca48
15d70ab45
hex9252818

153430040 has 16 divisors (see below), whose sum is σ = 345217680. Its totient is φ = 61372000.

The previous prime is 153430027. The next prime is 153430091. The reversal of 153430040 is 40034351.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 153429994 and 153430021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1917836 + ... + 1917915.

It is an arithmetic number, because the mean of its divisors is an integer number (21576105).

Almost surely, 2153430040 is an apocalyptic number.

153430040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153430040 is an abundant number, since it is smaller than the sum of its proper divisors (191787640).

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

153430040 is a wasteful number, since it uses less digits than its factorization.

153430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835762 (or 3835758 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 153430040 is about 12386.6880157692. The cubic root of 153430040 is about 535.3487579562.

Adding to 153430040 its reverse (40034351), we get a palindrome (193464391).

The spelling of 153430040 in words is "one hundred fifty-three million, four hundred thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 3835751 7671502 15343004 19178755 30686008 38357510 76715020 153430040