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1420161370 = 25493328789
BaseRepresentation
bin101010010100101…
…1111000101011010
310122222021200011021
41110221133011122
510402030130440
6352530553054
750123113105
oct12451370532
93588250137
101420161370
1166970a291
1233773878a
131982ba494
14d687d73c
1584a2884a
hex54a5f15a

1420161370 has 16 divisors (see below), whose sum is σ = 2556897480. Its totient is φ = 567929664.

The previous prime is 1420161361. The next prime is 1420161389. The reversal of 1420161370 is 731610241.

It can be written as a sum of positive squares in 4 ways, for example, as 1257624369 + 162537001 = 35463^2 + 12749^2 .

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, 34936 + ... + 63724.

Almost surely, 21420161370 is an apocalyptic number.

1420161370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420161370 is a deficient number, since it is larger than the sum of its proper divisors (1136736110).

1420161370 is a wasteful number, since it uses less digits than its factorization.

1420161370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33729.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1420161370 is about 37685.0284595886. The cubic root of 1420161370 is about 1124.0334400921.

The spelling of 1420161370 in words is "one billion, four hundred twenty million, one hundred sixty-one thousand, three hundred seventy".

Divisors: 1 2 5 10 4933 9866 24665 28789 49330 57578 143945 287890 142016137 284032274 710080685 1420161370