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1540756230 = 235133950657
BaseRepresentation
bin101101111010110…
…0001001100000110
310222101012112012120
41123311201030012
511123413144410
6412515430410
753116132446
oct13365411406
93871175176
101540756230
11720797a62
1236bbb5406
131b72920a0
141088b2126
15903ea570
hex5bd61306

1540756230 has 32 divisors (see below), whose sum is σ = 3982263264. Its totient is φ = 379262976.

The previous prime is 1540756229. The next prime is 1540756241. The reversal of 1540756230 is 326570451.

It is a junction number, because it is equal to n+sod(n) for n = 1540756191 and 1540756200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974939 + ... + 1975718.

It is an arithmetic number, because the mean of its divisors is an integer number (124445727).

Almost surely, 21540756230 is an apocalyptic number.

1540756230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540756230 is an abundant number, since it is smaller than the sum of its proper divisors (2441507034).

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

1540756230 is a wasteful number, since it uses less digits than its factorization.

1540756230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950680.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 1540756230 is about 39252.4678205078. The cubic root of 1540756230 is about 1154.9893441793.

The spelling of 1540756230 in words is "one billion, five hundred forty million, seven hundred fifty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3950657 7901314 11851971 19753285 23703942 39506570 51358541 59259855 102717082 118519710 154075623 256792705 308151246 513585410 770378115 1540756230