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99203472 = 24323171313
BaseRepresentation
bin1011110100110…
…11100110010000
320220200001120200
411322123212100
5200344002342
613502135200
72313133644
oct572334620
9226601520
1099203472
1150aa8045
1229281500
13177250a4
14d264c24
158a9894c
hex5e9b990

99203472 has 120 divisors (see below), whose sum is σ = 291552768. Its totient is φ = 31449600.

The previous prime is 99203471. The next prime is 99203473. The reversal of 99203472 is 27430299.

It is an interprime number because it is at equal distance from previous prime (99203471) and next prime (99203473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (99203471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316788 + ... + 317100.

Almost surely, 299203472 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 99203472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145776384).

99203472 is an abundant number, since it is smaller than the sum of its proper divisors (192349296).

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

99203472 is a wasteful number, since it uses less digits than its factorization.

99203472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 99203472 is about 9960.0939754603. The cubic root of 99203472 is about 462.9232115500.

The spelling of 99203472 in words is "ninety-nine million, two hundred three thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 71 72 93 124 142 144 186 213 248 279 284 313 372 426 496 558 568 626 639 744 852 939 1116 1136 1252 1278 1488 1704 1878 2201 2232 2504 2556 2817 3408 3756 4402 4464 5008 5112 5634 6603 7512 8804 9703 10224 11268 13206 15024 17608 19406 19809 22223 22536 26412 29109 35216 38812 39618 44446 45072 52824 58218 66669 77624 79236 87327 88892 105648 116436 133338 155248 158472 174654 177784 200007 232872 266676 316944 349308 355568 400014 465744 533352 688913 698616 800028 1066704 1377826 1397232 1600056 2066739 2755652 3200112 4133478 5511304 6200217 8266956 11022608 12400434 16533912 24800868 33067824 49601736 99203472