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23073372 = 22327196179
BaseRepresentation
bin101100000000…
…1001001011100
31121102020201100
41120001021130
521401321442
62142313100
7400056210
oct130011134
947366640
1023073372
111202a403
127888790
134a1b2aa
1430c8940
15205b84c
hex160125c

23073372 has 144 divisors (see below), whose sum is σ = 72217600. Its totient is φ = 6065280.

The previous prime is 23073371. The next prime is 23073377. The reversal of 23073372 is 27337032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23073371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292029 + ... + 292107.

Almost surely, 223073372 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 23073372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36108800).

23073372 is an abundant number, since it is smaller than the sum of its proper divisors (49144228).

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

23073372 is a wasteful number, since it uses less digits than its factorization.

23073372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 23073372 is about 4803.4749921281. The cubic root of 23073372 is about 284.6887830852.

The spelling of 23073372 in words is "twenty-three million, seventy-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 61 63 76 79 84 114 122 126 133 158 171 183 228 237 244 252 266 316 342 366 399 427 474 532 549 553 684 711 732 798 854 948 1098 1106 1159 1197 1281 1422 1501 1596 1659 1708 2196 2212 2318 2394 2562 2844 3002 3318 3477 3843 4503 4636 4788 4819 4977 5124 6004 6636 6954 7686 8113 9006 9638 9954 10431 10507 13509 13908 14457 15372 16226 18012 19276 19908 20862 21014 24339 27018 28914 31521 32452 33733 41724 42028 43371 48678 54036 57828 63042 67466 73017 86742 91561 94563 97356 101199 126084 134932 146034 173484 183122 189126 202398 274683 292068 303597 366244 378252 404796 549366 607194 640927 824049 1098732 1214388 1281854 1648098 1922781 2563708 3296196 3845562 5768343 7691124 11536686 23073372