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40370942 = 220185471
BaseRepresentation
bin1001101000000…
…0001011111110
32210222001112002
42122000023332
540313332232
64001142302
71000101353
oct232001376
983861462
1040370942
1120874317
121162a992
138496641
14550c62a
153826b62
hex26802fe

40370942 has 4 divisors (see below), whose sum is σ = 60556416. Its totient is φ = 20185470.

The previous prime is 40370933. The next prime is 40370947. The reversal of 40370942 is 24907304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10092734 + ... + 10092737.

It is an arithmetic number, because the mean of its divisors is an integer number (15139104).

Almost surely, 240370942 is an apocalyptic number.

40370942 is a deficient number, since it is larger than the sum of its proper divisors (20185474).

40370942 is a wasteful number, since it uses less digits than its factorization.

40370942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185473.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40370942 is about 6353.8131857964. The cubic root of 40370942 is about 343.0491079917.

The spelling of 40370942 in words is "forty million, three hundred seventy thousand, nine hundred forty-two".

Divisors: 1 2 20185471 40370942