Search a number
-
+
75706164 = 2235711097
BaseRepresentation
bin1001000001100…
…10111100110100
312021110021100000
410200302330310
5123340044124
611302351300
71606330452
oct440627464
9167407300
1075706164
1139809186
122142b530
13128b8b61
14a0a99d2
1569a66c9
hex4832f34

75706164 has 72 divisors (see below), whose sum is σ = 201434688. Its totient is φ = 24857280.

The previous prime is 75706157. The next prime is 75706193. The reversal of 75706164 is 46160757.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68464 + ... + 69560.

It is an arithmetic number, because the mean of its divisors is an integer number (2797704).

Almost surely, 275706164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75706164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100717344).

75706164 is an abundant number, since it is smaller than the sum of its proper divisors (125728524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75706164 is a wasteful number, since it uses less digits than its factorization.

75706164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 75706164 is about 8700.9289159262. The cubic root of 75706164 is about 423.0357597654.

The spelling of 75706164 in words is "seventy-five million, seven hundred six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 71 81 108 142 162 213 243 284 324 426 486 639 852 972 1097 1278 1917 2194 2556 3291 3834 4388 5751 6582 7668 9873 11502 13164 17253 19746 23004 29619 34506 39492 59238 69012 77887 88857 118476 155774 177714 233661 266571 311548 355428 467322 533142 700983 934644 1066284 1401966 2102949 2803932 4205898 6308847 8411796 12617694 18926541 25235388 37853082 75706164