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253475460 = 22335767057
BaseRepresentation
bin11110001101110…
…11101010000100
3122122221212222000
433012323222010
51004342203320
641052505300
76165335340
oct1706735204
9578855860
10253475460
11120097957
1270a7b230
134068b5a4
1425942620
15173bdc90
hexf1bba84

253475460 has 96 divisors (see below), whose sum is σ = 901259520. Its totient is φ = 57936384.

The previous prime is 253475449. The next prime is 253475483. The reversal of 253475460 is 64574352.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29749 + ... + 37308.

It is an arithmetic number, because the mean of its divisors is an integer number (9388120).

Almost surely, 2253475460 is an apocalyptic number.

253475460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253475460 is an abundant number, since it is smaller than the sum of its proper divisors (647784060).

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

253475460 is a wasteful number, since it uses less digits than its factorization.

253475460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67082 (or 67074 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 253475460 is about 15920.9126622816. The cubic root of 253475460 is about 632.8663045061.

The spelling of 253475460 in words is "two hundred fifty-three million, four hundred seventy-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 67057 134114 201171 268228 335285 402342 469399 603513 670570 804684 938798 1005855 1207026 1341140 1408197 1810539 1877596 2011710 2346995 2414052 2816394 3017565 3621078 4023420 4224591 4693990 5632788 6035130 7040985 7242156 8449182 9052695 9387980 12070260 12673773 14081970 16898364 18105390 21122955 25347546 28163940 36210780 42245910 50695092 63368865 84491820 126737730 253475460