Search a number
-
+
897304472624 = 24725638392423
BaseRepresentation
bin11010000111010111000…
…00111010110000110000
310011210002200200002211002
431003223200322300300
5104200134421110444
61524114352541132
7121554020113100
oct15035340726060
93153080602732
10897304472624
113165a9a8921a
12125aa15517a8
13668001aa3b1
14316033d9200
151851aa7bd4e
hexd0eb83ac30

897304472624 has 120 divisors (see below), whose sum is σ = 2029212622080. Its totient is φ = 383260225152.

The previous prime is 897304472569. The next prime is 897304472641. The reversal of 897304472624 is 426274403798.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 897304472624.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370326677 + ... + 370329099.

It is an arithmetic number, because the mean of its divisors is an integer number (16910105184).

Almost surely, 2897304472624 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 897304472624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014606311040).

897304472624 is an abundant number, since it is smaller than the sum of its proper divisors (1131908149456).

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

897304472624 is a wasteful number, since it uses less digits than its factorization.

897304472624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 897304472624 in words is "eight hundred ninety-seven billion, three hundred four million, four hundred seventy-two thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 563 784 839 1126 1678 2252 2423 3356 3941 4504 4846 5873 6712 7882 9008 9692 11746 13424 15764 16961 19384 23492 27587 31528 33922 38768 41111 46984 55174 63056 67844 82222 93968 110348 118727 135688 164444 220696 237454 271376 328888 441392 472357 474908 657776 944714 949816 1364149 1889428 1899632 2032897 2728298 3306499 3778856 4065794 5456596 6612998 7557712 8131588 9549043 10913192 13225996 14230279 16263176 19098086 21826384 23145493 26451992 28460558 32526352 38196172 46290986 52903984 56921116 66843301 76392344 92581972 99611953 113842232 133686602 152784688 185163944 199223906 227684464 267373204 370327888 398447812 534746408 796895624 1069492816 1144521011 1593791248 2289042022 4578084044 8011647077 9156168088 16023294154 18312336176 32046588308 56081529539 64093176616 112163059078 128186353232 224326118156 448652236312 897304472624