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7690464 = 25352343
BaseRepresentation
bin11101010101100011100000
3112110201100000
4131111203200
53432043324
6432500000
7122240115
oct35254340
915421300
107690464
114382a61
1226aa600
131793592
14104290c
15a1d9c9
hex7558e0

7690464 has 144 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 2395008.

The previous prime is 7690457. The next prime is 7690483. The reversal of 7690464 is 4640967.

It is a tau number, because it is divible by the number of its divisors (144).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178827 + ... + 178869.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

Almost surely, 27690464 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 7690464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12108096).

7690464 is an abundant number, since it is smaller than the sum of its proper divisors (16525728).

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

7690464 is a wasteful number, since it uses less digits than its factorization.

7690464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7690464 is about 2773.1685848502. The cubic root of 7690464 is about 197.3865309867.

The spelling of 7690464 in words is "seven million, six hundred ninety thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 43 46 48 54 69 72 81 86 92 96 108 129 138 144 162 172 184 207 216 243 258 276 288 324 344 368 387 414 432 486 516 552 621 648 688 736 774 828 864 972 989 1032 1104 1161 1242 1296 1376 1548 1656 1863 1944 1978 2064 2208 2322 2484 2592 2967 3096 3312 3483 3726 3888 3956 4128 4644 4968 5589 5934 6192 6624 6966 7452 7776 7912 8901 9288 9936 10449 11178 11868 12384 13932 14904 15824 17802 18576 19872 20898 22356 23736 26703 27864 29808 31648 35604 37152 41796 44712 47472 53406 55728 59616 71208 80109 83592 89424 94944 106812 111456 142416 160218 167184 178848 213624 240327 284832 320436 334368 427248 480654 640872 854496 961308 1281744 1922616 2563488 3845232 7690464