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1957763045 = 5755936087
BaseRepresentation
bin111010010110001…
…0001011111100101
312001102212200000102
41310230101133211
513002141404140
6522133353445
766341465660
oct16454213745
95042780012
101957763045
11915119397
12467798885
132527a9594
141480226d7
15b6d1ce15
hex74b117e5

1957763045 has 8 divisors (see below), whose sum is σ = 2684932224. Its totient is φ = 1342466064.

The previous prime is 1957763033. The next prime is 1957763047. The reversal of 1957763045 is 5403677591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1957763045 - 218 = 1957500901 is a prime.

It is a super-2 number, since 2×19577630452 = 7665672280735344050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957763047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27968009 + ... + 27968078.

It is an arithmetic number, because the mean of its divisors is an integer number (335616528).

Almost surely, 21957763045 is an apocalyptic number.

It is an amenable number.

1957763045 is a deficient number, since it is larger than the sum of its proper divisors (727169179).

1957763045 is an equidigital number, since it uses as much as digits as its factorization.

1957763045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55936099.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 1957763045 is about 44246.6161983038. The cubic root of 1957763045 is about 1250.9886674232.

The spelling of 1957763045 in words is "one billion, nine hundred fifty-seven million, seven hundred sixty-three thousand, forty-five".

Divisors: 1 5 7 35 55936087 279680435 391552609 1957763045