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37420140 = 2235623669
BaseRepresentation
bin1000111010111…
…1110001101100
32121102010210010
42032233301230
534034421030
63414013220
7633031422
oct216576154
977363703
1037420140
111a13933a
1210647210
1379a24c4
144d81112
1534426b0
hex23afc6c

37420140 has 24 divisors (see below), whose sum is σ = 104776560. Its totient is φ = 9978688.

The previous prime is 37420091. The next prime is 37420151. The reversal of 37420140 is 4102473.

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, 311775 + ... + 311894.

It is an arithmetic number, because the mean of its divisors is an integer number (4365690).

Almost surely, 237420140 is an apocalyptic number.

37420140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37420140 is an abundant number, since it is smaller than the sum of its proper divisors (67356420).

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

37420140 is a wasteful number, since it uses less digits than its factorization.

37420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623681 (or 623679 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 37420140 is about 6117.2003400248. The cubic root of 37420140 is about 334.4787021056.

The spelling of 37420140 in words is "thirty-seven million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 623669 1247338 1871007 2494676 3118345 3742014 6236690 7484028 9355035 12473380 18710070 37420140