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34433940 = 2235573899
BaseRepresentation
bin1000001101011…
…0101110010100
32101210102111010
42003112232110
532303341230
63230012220
7565453332
oct203265624
971712433
1034433940
1118489802
12b647070
137198218
144804b52
1530529b0
hex20d6b94

34433940 has 24 divisors (see below), whose sum is σ = 96415200. Its totient is φ = 9182368.

The previous prime is 34433929. The next prime is 34433953. The reversal of 34433940 is 4933443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 34433898 and 34433907.

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, 286890 + ... + 287009.

It is an arithmetic number, because the mean of its divisors is an integer number (4017300).

Almost surely, 234433940 is an apocalyptic number.

34433940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34433940 is an abundant number, since it is smaller than the sum of its proper divisors (61981260).

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

34433940 is a wasteful number, since it uses less digits than its factorization.

34433940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573911 (or 573909 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 34433940 is about 5868.0439671154. The cubic root of 34433940 is about 325.3335904138. Note that the first 3 decimals are identical.

The spelling of 34433940 in words is "thirty-four million, four hundred thirty-three thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 573899 1147798 1721697 2295596 2869495 3443394 5738990 6886788 8608485 11477980 17216970 34433940