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1405345412 = 221961929873
BaseRepresentation
bin101001111000011…
…1101111010000100
310121221101221111002
41103300331322010
510334232023122
6351241232432
746553144642
oct12360757204
93557357432
101405345412
1166130a899
12332792718
13195200843
14d4904192
158359d992
hex53c3de84

1405345412 has 24 divisors (see below), whose sum is σ = 2593063200. Its totient is φ = 664592256.

The previous prime is 1405345321. The next prime is 1405345429. The reversal of 1405345412 is 2145435041.

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, 32108 + ... + 61980.

It is an arithmetic number, because the mean of its divisors is an integer number (108044300).

Almost surely, 21405345412 is an apocalyptic number.

It is an amenable number.

1405345412 is a deficient number, since it is larger than the sum of its proper divisors (1187717788).

1405345412 is a wasteful number, since it uses less digits than its factorization.

1405345412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30515 (or 30513 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1405345412 is about 37487.9368864172. The cubic root of 1405345412 is about 1120.1109084472.

The spelling of 1405345412 in words is "one billion, four hundred five million, three hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 19 38 76 619 1238 2476 11761 23522 29873 47044 59746 119492 567587 1135174 2270348 18491387 36982774 73965548 351336353 702672706 1405345412