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40506130 = 257578659
BaseRepresentation
bin1001101010000…
…1001100010010
32211012220222001
42122201030102
540332144010
64004104214
71001203450
oct232411422
984186861
1040506130
1120956945
121169506a
138513032
1455459d0
153851c3a
hex26a1312

40506130 has 16 divisors (see below), whose sum is σ = 83327040. Its totient is φ = 13887792.

The previous prime is 40506101. The next prime is 40506143. The reversal of 40506130 is 3160504.

It is a junction number, because it is equal to n+sod(n) for n = 40506098 and 40506107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289260 + ... + 289399.

It is an arithmetic number, because the mean of its divisors is an integer number (5207940).

Almost surely, 240506130 is an apocalyptic number.

40506130 is an abundant number, since it is smaller than the sum of its proper divisors (42820910).

40506130 is a wasteful number, since it uses less digits than its factorization.

40506130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578673.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40506130 is about 6364.4426307415. The cubic root of 40506130 is about 343.4315980606.

Adding to 40506130 its reverse (3160504), we get a palindrome (43666634).

The spelling of 40506130 in words is "forty million, five hundred six thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 578659 1157318 2893295 4050613 5786590 8101226 20253065 40506130