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1457650240 = 26519972281
BaseRepresentation
bin101011011100001…
…1111101001000000
310202120211022012221
41112320133221000
510441124301430
6400350300424
751056552104
oct12670375100
93676738187
101457650240
11688895222
123481b7714
131a2cb5047
14db83b904
1587e8157a
hex56e1fa40

1457650240 has 56 divisors (see below), whose sum is σ = 3474290232. Its totient is φ = 582512640.

The previous prime is 1457650223. The next prime is 1457650253. The reversal of 1457650240 is 420567541.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 1452524544 = 2264^2 + 38112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1457650196 and 1457650205.

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, 637900 + ... + 640180.

It is an arithmetic number, because the mean of its divisors is an integer number (62040897).

Almost surely, 21457650240 is an apocalyptic number.

1457650240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1457650240 is an abundant number, since it is smaller than the sum of its proper divisors (2016639992).

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

1457650240 is a wasteful number, since it uses less digits than its factorization.

1457650240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1457650240 is about 38179.1859525580. The cubic root of 1457650240 is about 1133.8382648172.

The spelling of 1457650240 in words is "one billion, four hundred fifty-seven million, six hundred fifty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1997 2281 3994 4562 7988 9124 9985 11405 15976 18248 19970 22810 31952 36496 39940 45620 63904 72992 79880 91240 127808 145984 159760 182480 319520 364960 639040 729920 4555157 9110314 18220628 22775785 36441256 45551570 72882512 91103140 145765024 182206280 291530048 364412560 728825120 1457650240