Search a number
-
+
83697152 = 297112193
BaseRepresentation
bin1001111110100…
…01111000000000
312211111020220112
410333101320000
5132411302102
612145530452
72034262010
oct477217000
9184436815
1083697152
1143276a00
1224043a28
1314456156
14b189c40
157534252
hex4fd1e00

83697152 has 120 divisors (see below), whose sum is σ = 211163568. Its totient is φ = 32440320.

The previous prime is 83697151. The next prime is 83697157. The reversal of 83697152 is 25179638.

It is a super-2 number, since 2×836971522 = 14010426505822208, which contains 22 as substring.

Its product of digits (90720) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83697151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433568 + ... + 433760.

Almost surely, 283697152 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 83697152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105581784).

83697152 is an abundant number, since it is smaller than the sum of its proper divisors (127466416).

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

83697152 is a wasteful number, since it uses less digits than its factorization.

83697152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 213 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 83697152 is about 9148.6147585304. The cubic root of 83697152 is about 437.4249593201.

The spelling of 83697152 in words is "eighty-three million, six hundred ninety-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 128 154 176 193 224 242 256 308 352 386 448 484 512 616 704 772 847 896 968 1232 1351 1408 1544 1694 1792 1936 2123 2464 2702 2816 3088 3388 3584 3872 4246 4928 5404 5632 6176 6776 7744 8492 9856 10808 12352 13552 14861 15488 16984 19712 21616 23353 24704 27104 29722 30976 33968 39424 43232 46706 49408 54208 59444 61952 67936 86464 93412 98816 108416 118888 135872 163471 172928 186824 216832 237776 271744 326942 345856 373648 433664 475552 543488 653884 691712 747296 951104 1086976 1307768 1494592 1902208 2615536 2989184 3804416 5231072 5978368 7608832 10462144 11956736 20924288 41848576 83697152