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23401152 = 263240627
BaseRepresentation
bin101100101000…
…1001011000000
31122000220100100
41121101023000
521442314102
62153322400
7402622635
oct131211300
948026310
1023401152
11122336a5
127a06400
134b04548
14317218c
1520c3a1c
hex16512c0

23401152 has 42 divisors (see below), whose sum is σ = 67076828. Its totient is φ = 7800192.

The previous prime is 23401151. The next prime is 23401171. The reversal of 23401152 is 25110432.

It is a super-2 number, since 2×234011522 = 1095227829854208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23401151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19738 + ... + 20889.

Almost surely, 223401152 is an apocalyptic number.

It is an amenable number.

23401152 is an abundant number, since it is smaller than the sum of its proper divisors (43675676).

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

23401152 is a wasteful number, since it uses less digits than its factorization.

23401152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40645 (or 40632 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 23401152 is about 4837.4737208589. The cubic root of 23401152 is about 286.0305442788.

Adding to 23401152 its reverse (25110432), we get a palindrome (48511584).

The spelling of 23401152 in words is "twenty-three million, four hundred one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 40627 81254 121881 162508 243762 325016 365643 487524 650032 731286 975048 1300064 1462572 1950096 2600128 2925144 3900192 5850288 7800384 11700576 23401152