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945041538 = 23723214427
BaseRepresentation
bin111000010101000…
…011000010000010
32102212021002021110
4320111003002002
53413412312123
6233435304150
732263502100
oct7025030202
92385232243
10945041538
114454a6771
122245ab056
13120a36b9c
148d722c70
1557e77493
hex38543082

945041538 has 24 divisors (see below), whose sum is σ = 2198668752. Its totient is φ = 270011784.

The previous prime is 945041533. The next prime is 945041557. The reversal of 945041538 is 835140549.

It is a junction number, because it is equal to n+sod(n) for n = 945041496 and 945041505.

It is not an unprimeable number, because it can be changed into a prime (945041533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606920 + ... + 1607507.

It is an arithmetic number, because the mean of its divisors is an integer number (91611198).

Almost surely, 2945041538 is an apocalyptic number.

945041538 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

945041538 is an abundant number, since it is smaller than the sum of its proper divisors (1253627214).

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

945041538 is a wasteful number, since it uses less digits than its factorization.

945041538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214446 (or 3214439 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 945041538 is about 30741.5279060752. The cubic root of 945041538 is about 981.3342709996.

The spelling of 945041538 in words is "nine hundred forty-five million, forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 3214427 6428854 9643281 19286562 22500989 45001978 67502967 135005934 157506923 315013846 472520769 945041538