Search a number
-
+
70064460 = 22335129749
BaseRepresentation
bin1000010110100…
…01100101001100
311212211122101000
410023101211030
5120414030320
610541420300
71510352364
oct413214514
9155748330
1070064460
1136605514
121b56a690
1311691c7b
14943b9a4
15623ec90
hex42d194c

70064460 has 48 divisors (see below), whose sum is σ = 217980000. Its totient is φ = 18683712.

The previous prime is 70064441. The next prime is 70064471. The reversal of 70064460 is 6446007.

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

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 15 ways as a sum of consecutive naturals, for example, 64335 + ... + 65414.

It is an arithmetic number, because the mean of its divisors is an integer number (4541250).

Almost surely, 270064460 is an apocalyptic number.

It is an amenable number.

70064460 is an abundant number, since it is smaller than the sum of its proper divisors (147915540).

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

70064460 is a wasteful number, since it uses less digits than its factorization.

70064460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129767 (or 129759 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70064460 is about 8370.4516007202. The cubic root of 70064460 is about 412.2549950036.

The spelling of 70064460 in words is "seventy million, sixty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 129749 259498 389247 518996 648745 778494 1167741 1297490 1556988 1946235 2335482 2594980 3503223 3892470 4670964 5838705 7006446 7784940 11677410 14012892 17516115 23354820 35032230 70064460