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387069414 = 23331194899
BaseRepresentation
bin10111000100100…
…011010111100110
3222222100011102020
4113010203113212
51243042210124
6102224124010
712410015154
oct2704432746
9888304366
10387069414
11189543a86
12a9766606
1362264b74
143959a3d4
1523eac379
hex171235e6

387069414 has 16 divisors (see below), whose sum is σ = 776481600. Its totient is φ = 128632680.

The previous prime is 387069391. The next prime is 387069491. The reversal of 387069414 is 414960783.

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, 95464 + ... + 99435.

It is an arithmetic number, because the mean of its divisors is an integer number (48530100).

Almost surely, 2387069414 is an apocalyptic number.

387069414 is an abundant number, since it is smaller than the sum of its proper divisors (389412186).

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

387069414 is a wasteful number, since it uses less digits than its factorization.

387069414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195235.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 387069414 is about 19674.0797497621. The cubic root of 387069414 is about 728.7797302681.

The spelling of 387069414 in words is "three hundred eighty-seven million, sixty-nine thousand, four hundred fourteen".

Divisors: 1 2 3 6 331 662 993 1986 194899 389798 584697 1169394 64511569 129023138 193534707 387069414