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1415073921 = 31313600697
BaseRepresentation
bin101010001011000…
…0101000010000001
310122121201012111020
41110112011002001
510344224331141
6352225540053
750031633642
oct12426050201
93577635436
101415073921
11666854a88
12335aa4629
13197228961
14d5d176c9
1584371266
hex54585081

1415073921 has 8 divisors (see below), whose sum is σ = 1901168544. Its totient is φ = 936180960.

The previous prime is 1415073901. The next prime is 1415073941. The reversal of 1415073921 is 1293705141.

It is an interprime number because it is at equal distance from previous prime (1415073901) and next prime (1415073941).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1415073921 - 29 = 1415073409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1415073901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799956 + ... + 1800741.

It is an arithmetic number, because the mean of its divisors is an integer number (237646068).

Almost surely, 21415073921 is an apocalyptic number.

It is an amenable number.

1415073921 is a deficient number, since it is larger than the sum of its proper divisors (486094623).

1415073921 is a wasteful number, since it uses less digits than its factorization.

1415073921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600831.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1415073921 is about 37617.4682959925. The cubic root of 1415073921 is about 1122.6896245307.

The spelling of 1415073921 in words is "one billion, four hundred fifteen million, seventy-three thousand, nine hundred twenty-one".

Divisors: 1 3 131 393 3600697 10802091 471691307 1415073921