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83424816 = 243543499
BaseRepresentation
bin1001111100011…
…11011000110000
312210222102100000
410332033120300
5132324043231
612140030000
72032046016
oct476173060
9183872300
1083424816
1143100332
1223b32300
131438c1c7
14b1188b6
1574cd6e6
hex4f8f630

83424816 has 120 divisors (see below), whose sum is σ = 248248000. Its totient is φ = 27107136.

The previous prime is 83424769. The next prime is 83424857. The reversal of 83424816 is 61842438.

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

It is a nude number because it is divisible by every one of its digits.

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, 166935 + ... + 167433.

Almost surely, 283424816 is an apocalyptic number.

83424816 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83424816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124124000).

83424816 is an abundant number, since it is smaller than the sum of its proper divisors (164823184).

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

83424816 is a wasteful number, since it uses less digits than its factorization.

83424816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 547 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 83424816 is about 9133.7186293426. The cubic root of 83424816 is about 436.9500088562.

The spelling of 83424816 in words is "eighty-three million, four hundred twenty-four thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 43 48 54 72 81 86 108 129 144 162 172 216 243 258 324 344 387 432 486 499 516 648 688 774 972 998 1032 1161 1296 1497 1548 1944 1996 2064 2322 2994 3096 3483 3888 3992 4491 4644 5988 6192 6966 7984 8982 9288 10449 11976 13473 13932 17964 18576 20898 21457 23952 26946 27864 35928 40419 41796 42914 53892 55728 64371 71856 80838 83592 85828 107784 121257 128742 161676 167184 171656 193113 215568 242514 257484 323352 343312 386226 485028 514968 579339 646704 772452 970056 1029936 1158678 1544904 1738017 1940112 2317356 3089808 3476034 4634712 5214051 6952068 9269424 10428102 13904136 20856204 27808272 41712408 83424816