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137001216 = 2831116217
BaseRepresentation
bin10000010101001…
…11100100000000
3100112210101100010
420022213210000
5240033014331
621332224520
73252330312
oct1012474400
9315711303
10137001216
1170374050
1239a6b140
13224ca411
14142a37b2
15c062e46
hex82a7900

137001216 has 72 divisors (see below), whose sum is σ = 397795104. Its totient is φ = 41512960.

The previous prime is 137001203. The next prime is 137001257. The reversal of 137001216 is 612100731.

It is a junction number, because it is equal to n+sod(n) for n = 137001192 and 137001201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (5524932).

Almost surely, 2137001216 is an apocalyptic number.

137001216 is a gapful number since it is divisible by the number (16) 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 137001216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198897552).

137001216 is an abundant number, since it is smaller than the sum of its proper divisors (260793888).

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

137001216 is a wasteful number, since it uses less digits than its factorization.

137001216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247 (or 16233 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 137001216 is about 11704.7518555500. The cubic root of 137001216 is about 515.5151987611.

Adding to 137001216 its reverse (612100731), we get a palindrome (749101947).

The spelling of 137001216 in words is "one hundred thirty-seven million, one thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 528 704 768 1056 1408 2112 2816 4224 8448 16217 32434 48651 64868 97302 129736 178387 194604 259472 356774 389208 518944 535161 713548 778416 1037888 1070322 1427096 1556832 2075776 2140644 2854192 3113664 4151552 4281288 5708384 6227328 8562576 11416768 12454656 17125152 22833536 34250304 45667072 68500608 137001216