Search a number
-
+
70454000 = 245335227
BaseRepresentation
bin1000011001100…
…00101011110000
311220120102201102
410030300223300
5121014012000
610554023532
71513564151
oct414605360
9156512642
1070454000
1136851151
121b717ba8
131179a376
1494dd928
1562ba3d5
hex4330af0

70454000 has 40 divisors (see below), whose sum is σ = 170362608. Its totient is φ = 28180800.

The previous prime is 70453997. The next prime is 70454009. The reversal of 70454000 is 45407.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×704540002 = 9927532232000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70454009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15614 + ... + 19613.

Almost surely, 270454000 is an apocalyptic number.

It is an amenable number.

70454000 is an abundant number, since it is smaller than the sum of its proper divisors (99908608).

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

70454000 is a wasteful number, since it uses less digits than its factorization.

70454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35250 (or 35234 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 70454000 is about 8393.6881047606. The cubic root of 70454000 is about 413.0175933034.

Adding to 70454000 its reverse (45407), we get a palindrome (70499407).

The spelling of 70454000 in words is "seventy million, four hundred fifty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 35227 70454 140908 176135 281816 352270 563632 704540 880675 1409080 1761350 2818160 3522700 4403375 7045400 8806750 14090800 17613500 35227000 70454000