Search a number
-
+
70747704 = 233229311093
BaseRepresentation
bin1000011011110…
…00011000111000
311221010100121100
410031320120320
5121102411304
611004211400
71516226346
oct415703070
9157110540
1070747704
1136a31885
121b839b60
1311870c61
149578996
156327439
hex4378638

70747704 has 96 divisors (see below), whose sum is σ = 204796800. Its totient is φ = 22014720.

The previous prime is 70747681. The next prime is 70747711. The reversal of 70747704 is 40774707.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64182 + ... + 65274.

It is an arithmetic number, because the mean of its divisors is an integer number (2133300).

Almost surely, 270747704 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 70747704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102398400).

70747704 is an abundant number, since it is smaller than the sum of its proper divisors (134049096).

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

70747704 is a wasteful number, since it uses less digits than its factorization.

70747704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 70747704 is about 8411.1654364898. The cubic root of 70747704 is about 413.5907178285.

The spelling of 70747704 in words is "seventy million, seven hundred forty-seven thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 31 36 58 62 72 87 93 116 124 174 186 232 248 261 279 348 372 522 558 696 744 899 1044 1093 1116 1798 2088 2186 2232 2697 3279 3596 4372 5394 6558 7192 8091 8744 9837 10788 13116 16182 19674 21576 26232 31697 32364 33883 39348 63394 64728 67766 78696 95091 101649 126788 135532 190182 203298 253576 271064 285273 304947 380364 406596 570546 609894 760728 813192 982607 1141092 1219788 1965214 2282184 2439576 2947821 3930428 5895642 7860856 8843463 11791284 17686926 23582568 35373852 70747704