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1475680557 = 31337837963
BaseRepresentation
bin101011111110101…
…0001100100101101
310210211202100011110
41113331101210231
511010233234212
6402232542233
751366035451
oct12775214455
93724670143
101475680557
11697a8a70a
12352251979
131a6958a80
14dddb2661
1589843a3c
hex57f5192d

1475680557 has 8 divisors (see below), whose sum is σ = 2118925984. Its totient is φ = 908111088.

The previous prime is 1475680519. The next prime is 1475680559. The reversal of 1475680557 is 7550865741.

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

It is not a de Polignac number, because 1475680557 - 28 = 1475680301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1475680559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18918943 + ... + 18919020.

It is an arithmetic number, because the mean of its divisors is an integer number (264865748).

Almost surely, 21475680557 is an apocalyptic number.

It is an amenable number.

1475680557 is a deficient number, since it is larger than the sum of its proper divisors (643245427).

1475680557 is a wasteful number, since it uses less digits than its factorization.

1475680557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37837979.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The square root of 1475680557 is about 38414.5878150476. The cubic root of 1475680557 is about 1138.4941019755.

The spelling of 1475680557 in words is "one billion, four hundred seventy-five million, six hundred eighty thousand, five hundred fifty-seven".

Divisors: 1 3 13 39 37837963 113513889 491893519 1475680557