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1116972 = 2232192371
BaseRepresentation
bin100010000101100101100
32002202012100
410100230230
5241220342
635535100
712331323
oct4205454
92082170
101116972
116a321a
1245a490
1330153c
142110ba
15170e4c
hex110b2c

1116972 has 72 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 332640.

The previous prime is 1116943. The next prime is 1116977. The reversal of 1116972 is 2796111.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1116977) 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, 15697 + ... + 15767.

It is an arithmetic number, because the mean of its divisors is an integer number (43680).

21116972 is an apocalyptic number.

1116972 is a gapful number since it is divisible by the number (12) 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 1116972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572480).

1116972 is an abundant number, since it is smaller than the sum of its proper divisors (2027988).

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

1116972 is a wasteful number, since it uses less digits than its factorization.

1116972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 118 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1116972 is about 1056.8689606569. The cubic root of 1116972 is about 103.7562090444.

The spelling of 1116972 in words is "one million, one hundred sixteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 19 23 36 38 46 57 69 71 76 92 114 138 142 171 207 213 228 276 284 342 414 426 437 639 684 828 852 874 1278 1311 1349 1633 1748 2556 2622 2698 3266 3933 4047 4899 5244 5396 6532 7866 8094 9798 12141 14697 15732 16188 19596 24282 29394 31027 48564 58788 62054 93081 124108 186162 279243 372324 558486 1116972