Search a number
-
+
89347272 = 233719231217
BaseRepresentation
bin1010101001101…
…01010011001000
320020010022102020
411110311103020
5140333103042
612511004440
72133303450
oct524652310
9206108366
1089347272
1146485a23
1225b09720
1315683b11
14bc1ad60
157c9d3ec
hex55354c8

89347272 has 128 divisors (see below), whose sum is σ = 280627200. Its totient is φ = 23113728.

The previous prime is 89347261. The next prime is 89347283. The reversal of 89347272 is 27274398.

It is an interprime number because it is at equal distance from previous prime (89347261) and next prime (89347283).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72808 + ... + 74024.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 289347272 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 89347272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140313600).

89347272 is an abundant number, since it is smaller than the sum of its proper divisors (191279928).

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

89347272 is a wasteful number, since it uses less digits than its factorization.

89347272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1271 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 89347272 is about 9452.3685920514. The cubic root of 89347272 is about 447.0544603805.

It can be divided in two parts, 89 and 347272, that added together give a triangular number (347361 = T833).

The spelling of 89347272 in words is "eighty-nine million, three hundred forty-seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 23 24 28 38 42 46 56 57 69 76 84 92 114 133 138 152 161 168 184 228 266 276 322 399 437 456 483 532 552 644 798 874 966 1064 1217 1288 1311 1596 1748 1932 2434 2622 3059 3192 3496 3651 3864 4868 5244 6118 7302 8519 9177 9736 10488 12236 14604 17038 18354 23123 24472 25557 27991 29208 34076 36708 46246 51114 55982 68152 69369 73416 83973 92492 102228 111964 138738 161861 167946 184984 195937 204456 223928 277476 323722 335892 391874 485583 531829 554952 587811 647444 671784 783748 971166 1063658 1175622 1294888 1567496 1595487 1942332 2127316 2351244 3190974 3722803 3884664 4254632 4702488 6381948 7445606 11168409 12763896 14891212 22336818 29782424 44673636 89347272