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37420340 = 2251871017
BaseRepresentation
bin1000111010111…
…1110100110100
32121102011001112
42032233310310
534034422330
63414014152
7633032126
oct216576464
977364045
1037420340
111a139501
1210647358
1379a2619
144d81216
153442795
hex23afd34

37420340 has 12 divisors (see below), whose sum is σ = 78582756. Its totient is φ = 14968128.

The previous prime is 37420297. The next prime is 37420343. The reversal of 37420340 is 4302473.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12759184 + 24661156 = 3572^2 + 4966^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37420343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935489 + ... + 935528.

It is an arithmetic number, because the mean of its divisors is an integer number (6548563).

Almost surely, 237420340 is an apocalyptic number.

It is an amenable number.

37420340 is an abundant number, since it is smaller than the sum of its proper divisors (41162416).

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

37420340 is a wasteful number, since it uses less digits than its factorization.

37420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871026 (or 1871024 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 37420340 is about 6117.2166873505. The cubic root of 37420340 is about 334.4792980024.

The spelling of 37420340 in words is "thirty-seven million, four hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1871017 3742034 7484068 9355085 18710170 37420340