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23442272 = 257229457
BaseRepresentation
bin101100101101…
…1001101100000
31122002222202022
41121123031200
522000123042
62154241012
7403153550
oct131331540
948088668
1023442272
1112261587
127a26168
134b1a189
143183160
1520d0cd2
hex165b360

23442272 has 48 divisors (see below), whose sum is σ = 53091360. Its totient is φ = 9980928.

The previous prime is 23442259. The next prime is 23442299. The reversal of 23442272 is 27224432.

It is a congruent number.

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, 51068 + ... + 51524.

It is an arithmetic number, because the mean of its divisors is an integer number (1106070).

Almost surely, 223442272 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 23442272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26545680).

23442272 is an abundant number, since it is smaller than the sum of its proper divisors (29649088).

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

23442272 is a wasteful number, since it uses less digits than its factorization.

23442272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 695 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 23442272 is about 4841.7220077158. The cubic root of 23442272 is about 286.1979818141.

The spelling of 23442272 in words is "twenty-three million, four hundred forty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 229 457 458 914 916 1603 1828 1832 3199 3206 3656 3664 6398 6412 7312 7328 12796 12824 14624 25592 25648 51184 51296 102368 104653 209306 418612 732571 837224 1465142 1674448 2930284 3348896 5860568 11721136 23442272