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75870340 = 22571341687
BaseRepresentation
bin1001000010110…
…11000010000100
312021202121112121
410201123002010
5123410322330
611310055324
71610613220
oct441330204
9167677477
1075870340
1139910567
12214aa544
13129457c0
14a10d780
1569da17a
hex485b084

75870340 has 48 divisors (see below), whose sum is σ = 196100352. Its totient is φ = 24011136.

The previous prime is 75870329. The next prime is 75870343. The reversal of 75870340 is 4307857.

It is a junction number, because it is equal to n+sod(n) for n = 75870296 and 75870305.

It is not an unprimeable number, because it can be changed into a prime (75870343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19024 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (4085424).

Almost surely, 275870340 is an apocalyptic number.

75870340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75870340 is an abundant number, since it is smaller than the sum of its proper divisors (120230012).

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

75870340 is a wasteful number, since it uses less digits than its factorization.

75870340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41716 (or 41714 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 75870340 is about 8710.3582015896. The cubic root of 75870340 is about 423.3413367091.

The spelling of 75870340 in words is "seventy-five million, eight hundred seventy thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 41687 83374 166748 208435 291809 416870 541931 583618 833740 1083862 1167236 1459045 2167724 2709655 2918090 3793517 5419310 5836180 7587034 10838620 15174068 18967585 37935170 75870340