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75401705 = 5235911113
BaseRepresentation
bin1000111111010…
…00100111101001
312020212210200202
410133220213221
5123300323310
611252041545
71603622021
oct437504751
9166783622
1075401705
1139620465
12213032b5
13128103c2
14a02aa81
1569463a5
hex47e89e9

75401705 has 16 divisors (see below), whose sum is σ = 96024960. Its totient is φ = 56715648.

The previous prime is 75401693. The next prime is 75401707. The reversal of 75401705 is 50710457.

It is a cyclic number.

It is not a de Polignac number, because 75401705 - 222 = 71207401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75401707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229 + ... + 12341.

It is an arithmetic number, because the mean of its divisors is an integer number (6001560).

Almost surely, 275401705 is an apocalyptic number.

It is an amenable number.

75401705 is a deficient number, since it is larger than the sum of its proper divisors (20623255).

75401705 is a wasteful number, since it uses less digits than its factorization.

75401705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75401705 is about 8683.4155146463. The cubic root of 75401705 is about 422.4679060154.

The spelling of 75401705 in words is "seventy-five million, four hundred one thousand, seven hundred five".

Divisors: 1 5 23 59 115 295 1357 6785 11113 55565 255599 655667 1277995 3278335 15080341 75401705