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7145964 = 2232724051
BaseRepresentation
bin11011010000100111101100
3111110001102100
4123100213230
53312132324
6413055100
7114511500
oct33204754
914401370
107145964
114040961
122487490
1316327a7
14d40300
159624c9
hex6d09ec

7145964 has 54 divisors (see below), whose sum is σ = 21017724. Its totient is φ = 2041200.

The previous prime is 7145953. The next prime is 7145969. The reversal of 7145964 is 4695417.

7145964 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (7145969) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 262 + ... + 3789.

Almost surely, 27145964 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 7145964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10508862).

7145964 is an abundant number, since it is smaller than the sum of its proper divisors (13871760).

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

7145964 is a wasteful number, since it uses less digits than its factorization.

7145964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075 (or 4063 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7145964 is about 2673.1935956829. The cubic root of 7145964 is about 192.6135968636.

The spelling of 7145964 in words is "seven million, one hundred forty-five thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 4051 8102 12153 16204 24306 28357 36459 48612 56714 72918 85071 113428 145836 170142 198499 255213 340284 396998 510426 595497 793996 1020852 1190994 1786491 2381988 3572982 7145964