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1457454730 = 25241604753
BaseRepresentation
bin101011011011110…
…1111111010001010
310202120110101000211
41112313233322022
510441102022410
6400342151334
751055106104
oct12667577212
93676411024
101457454730
11688771346
1234812254a
131a2c47064
14db7ca574
1587e4368a
hex56defe8a

1457454730 has 16 divisors (see below), whose sum is σ = 2634308424. Its totient is φ = 580561920.

The previous prime is 1457454703. The next prime is 1457454767. The reversal of 1457454730 is 374547541.

It can be written as a sum of positive squares in 4 ways, for example, as 1456872561 + 582169 = 38169^2 + 763^2 .

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, 299967 + ... + 304786.

Almost surely, 21457454730 is an apocalyptic number.

1457454730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1457454730 is a deficient number, since it is larger than the sum of its proper divisors (1176853694).

1457454730 is a wasteful number, since it uses less digits than its factorization.

1457454730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605001.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 1457454730 is about 38176.6254401826. The cubic root of 1457454730 is about 1133.7875698414.

The spelling of 1457454730 in words is "one billion, four hundred fifty-seven million, four hundred fifty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 241 482 1205 2410 604753 1209506 3023765 6047530 145745473 291490946 728727365 1457454730