Search a number
-
+
20245523032 = 2371573376833
BaseRepresentation
bin10010110110101110…
…100010101001011000
31221020221112010112101
4102312232202221120
5312430323214112
613144535453144
71314463051330
oct226656425130
957227463471
1020245523032
11864a085119
123b102271b4
131ba8510637
14da0b580c0
157d75b8757
hex4b6ba2a58

20245523032 has 64 divisors (see below), whose sum is σ = 43795552320. Its totient is φ = 8594546688.

The previous prime is 20245523029. The next prime is 20245523047. The reversal of 20245523032 is 23032554202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 2959488 + ... + 2966320.

It is an arithmetic number, because the mean of its divisors is an integer number (684305505).

Almost surely, 220245523032 is an apocalyptic number.

It is an amenable number.

20245523032 is an abundant number, since it is smaller than the sum of its proper divisors (23550029288).

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

20245523032 is a wasteful number, since it uses less digits than its factorization.

20245523032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7336 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 20245523032 in words is "twenty billion, two hundred forty-five million, five hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 157 314 337 628 674 1099 1256 1348 2198 2359 2696 4396 4718 6833 8792 9436 13666 18872 27332 47831 52909 54664 95662 105818 191324 211636 370363 382648 423272 740726 1072781 1481452 2145562 2302721 2962904 4291124 4605442 7509467 8582248 9210884 15018934 16119047 18421768 30037868 32238094 60075736 64476188 128952376 361527197 723054394 1446108788 2530690379 2892217576 5061380758 10122761516 20245523032