Search a number
-
+
70190064 = 243572579
BaseRepresentation
bin1000010111100…
…00001111110000
311220002000200000
410023300033300
5120432040224
610544230000
71511414520
oct413601760
9156060600
1070190064
113669091a
121b60b300
13117071a9
149471680
1562670c9
hex42f03f0

70190064 has 120 divisors (see below), whose sum is σ = 232901760. Its totient is φ = 20046528.

The previous prime is 70190039. The next prime is 70190083. The reversal of 70190064 is 46009107.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 25927 + ... + 28505.

It is an arithmetic number, because the mean of its divisors is an integer number (1940848).

Almost surely, 270190064 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 70190064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116450880).

70190064 is an abundant number, since it is smaller than the sum of its proper divisors (162711696).

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

70190064 is a wasteful number, since it uses less digits than its factorization.

70190064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70190064 is about 8377.9510621631. The cubic root of 70190064 is about 412.5011966907.

The spelling of 70190064 in words is "seventy million, one hundred ninety thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 168 189 216 243 252 324 336 378 432 486 504 567 648 756 972 1008 1134 1296 1512 1701 1944 2268 2579 3024 3402 3888 4536 5158 6804 7737 9072 10316 13608 15474 18053 20632 23211 27216 30948 36106 41264 46422 54159 61896 69633 72212 92844 108318 123792 139266 144424 162477 185688 208899 216636 278532 288848 324954 371376 417798 433272 487431 557064 626697 649908 835596 866544 974862 1114128 1253394 1299816 1462293 1671192 1949724 2506788 2599632 2924586 3342384 3899448 4386879 5013576 5849172 7798896 8773758 10027152 11698344 17547516 23396688 35095032 70190064