Search a number
-
+
70146564 = 2235845547
BaseRepresentation
bin1000010111001…
…01101000000100
311212222210222220
410023211220010
5120424142224
610543252340
71511143635
oct413455004
9155883886
1070146564
1136661174
121b5aa0b0
13116c0457
14945d88c
156259279
hex42e5a04

70146564 has 12 divisors (see below), whose sum is σ = 163675344. Its totient is φ = 23382184.

The previous prime is 70146541. The next prime is 70146581. The reversal of 70146564 is 46564107.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2922762 + ... + 2922785.

It is an arithmetic number, because the mean of its divisors is an integer number (13639612).

Almost surely, 270146564 is an apocalyptic number.

It is an amenable number.

70146564 is an abundant number, since it is smaller than the sum of its proper divisors (93528780).

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

70146564 is a wasteful number, since it uses less digits than its factorization.

70146564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845554 (or 5845552 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 70146564 is about 8375.3545596590. The cubic root of 70146564 is about 412.4159637809.

The spelling of 70146564 in words is "seventy million, one hundred forty-six thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 5845547 11691094 17536641 23382188 35073282 70146564