Search a number
-
+
64249414 = 2139239967
BaseRepresentation
bin1111010100010…
…1111001000110
311110220012121221
43311011321012
5112421440124
610213030554
71410053035
oct365057106
9143805557
1064249414
11332a3599
121962545a
1310407208
14876671c
155991ce4
hex3d45e46

64249414 has 16 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 31727304.

The previous prime is 64249411. The next prime is 64249421. The reversal of 64249414 is 41494246.

It is a super-3 number, since 3×642494143 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64249414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64249411) 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, 65959 + ... + 66925.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 264249414 is an apocalyptic number.

64249414 is a deficient number, since it is larger than the sum of its proper divisors (33324986).

64249414 is a wasteful number, since it uses less digits than its factorization.

64249414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its digits is 27648, while the sum is 34.

The square root of 64249414 is about 8015.5732171817. The cubic root of 64249414 is about 400.5189389647.

The spelling of 64249414 in words is "sixty-four million, two hundred forty-nine thousand, four hundred fourteen".

Divisors: 1 2 139 239 278 478 967 1934 33221 66442 134413 231113 268826 462226 32124707 64249414