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70641054 = 23211596047
BaseRepresentation
bin1000011010111…
…10010110011110
311220220221022100
410031132112132
5121041003204
611002025530
71515303411
oct415362636
9156827270
1070641054
1136969740
121b7a82a6
1311834553
14954bb78
156305a39
hex435e59e

70641054 has 48 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 21040080.

The previous prime is 70641041. The next prime is 70641059. The reversal of 70641054 is 45014607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70641059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8659 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 270641054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70641054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

70641054 is an abundant number, since it is smaller than the sum of its proper divisors (99186786).

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

70641054 is a wasteful number, since it uses less digits than its factorization.

70641054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70641054 is about 8404.8232581060. The cubic root of 70641054 is about 413.3827881917.

It can be divided in two parts, 7064 and 1054, that added together give a palindrome (8118).

The spelling of 70641054 in words is "seventy million, six hundred forty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 11 18 22 33 59 66 99 118 177 198 354 531 649 1062 1298 1947 3894 5841 6047 11682 12094 18141 36282 54423 66517 108846 133034 199551 356773 399102 598653 713546 1070319 1197306 2140638 3210957 3924503 6421914 7849006 11773509 23547018 35320527 70641054