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154300040 = 2357154331
BaseRepresentation
bin10010011001001…
…10111010001000
3101202100020212022
421030212322020
5304000100130
623151104012
73552346226
oct1114467210
9352306768
10154300040
117a1099a4
1243812008
1325c761cb
14166c7b16
15d82d7e5
hex9326e88

154300040 has 32 divisors (see below), whose sum is σ = 352071360. Its totient is φ = 60849600.

The previous prime is 154300033. The next prime is 154300043. The reversal of 154300040 is 40003451.

It is a junction number, because it is equal to n+sod(n) for n = 154299991 and 154300018.

It is not an unprimeable number, because it can be changed into a prime (154300043) 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, 24326 + ... + 30005.

It is an arithmetic number, because the mean of its divisors is an integer number (11002230).

Almost surely, 2154300040 is an apocalyptic number.

154300040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154300040 is an abundant number, since it is smaller than the sum of its proper divisors (197771320).

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

154300040 is a wasteful number, since it uses less digits than its factorization.

154300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54413 (or 54409 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 154300040 is about 12421.7567195627. The cubic root of 154300040 is about 536.3587206639.

Adding to 154300040 its reverse (40003451), we get a palindrome (194303491).

The spelling of 154300040 in words is "one hundred fifty-four million, three hundred thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 54331 108662 217324 271655 434648 543310 1086620 2173240 3857501 7715002 15430004 19287505 30860008 38575010 77150020 154300040