Search a number
-
+
164355412 = 221329731493
BaseRepresentation
bin10011100101111…
…01110101010100
3102110021010020111
421302331311110
5314033333122
624150412404
74033666204
oct1162756524
9373233214
10164355412
1184857721
1247061104
1328087030
1417b84404
15e667d77
hex9cbdd54

164355412 has 48 divisors (see below), whose sum is σ = 325034640. Its totient is φ = 72188928.

The previous prime is 164355409. The next prime is 164355413. The reversal of 164355412 is 214553461.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 617796 + 163737616 = 786^2 + 12796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164355413) 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, 109338 + ... + 110830.

It is an arithmetic number, because the mean of its divisors is an integer number (6771555).

Almost surely, 2164355412 is an apocalyptic number.

It is an amenable number.

164355412 is a deficient number, since it is larger than the sum of its proper divisors (160679228).

164355412 is a wasteful number, since it uses less digits than its factorization.

164355412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1610 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 164355412 is about 12820.1174721607. The cubic root of 164355412 is about 547.7654927488.

The spelling of 164355412 in words is "one hundred sixty-four million, three hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 13 26 29 52 58 73 116 146 292 377 754 949 1493 1508 1898 2117 2986 3796 4234 5972 8468 19409 27521 38818 43297 55042 77636 86594 108989 110084 173188 217978 435956 562861 1125722 1416857 2251444 2833714 3160681 5667428 6321362 12642724 41088853 82177706 164355412