Search a number
-
+
70253544 = 23329193523
BaseRepresentation
bin1000010111111…
…11101111101000
311220012020202010
410023333233220
5120441103134
610545435520
71512100554
oct413775750
9156166663
1070253544
1136724589
121b63bba0
131172a05a
14948a864
15627ace9
hex42ffbe8

70253544 has 64 divisors (see below), whose sum is σ = 182980800. Its totient is φ = 22450176.

The previous prime is 70253531. The next prime is 70253563. The reversal of 70253544 is 44535207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134067 + ... + 134589.

It is an arithmetic number, because the mean of its divisors is an integer number (2859075).

Almost surely, 270253544 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 70253544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91490400).

70253544 is an abundant number, since it is smaller than the sum of its proper divisors (112727256).

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

70253544 is a wasteful number, since it uses less digits than its factorization.

70253544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 70253544 is about 8381.7387217689. The cubic root of 70253544 is about 412.6255147891.

The spelling of 70253544 in words is "seventy million, two hundred fifty-three thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 193 232 348 386 523 579 696 772 1046 1158 1544 1569 2092 2316 3138 4184 4632 5597 6276 11194 12552 15167 16791 22388 30334 33582 44776 45501 60668 67164 91002 100939 121336 134328 182004 201878 302817 364008 403756 605634 807512 1211268 2422536 2927231 5854462 8781693 11708924 17563386 23417848 35126772 70253544