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887431401 = 32109190379
BaseRepresentation
bin110100111001010…
…010000011101001
32021211212012000200
4310321102003221
53304140301101
6224020422413
730664020363
oct6471220351
92254765020
10887431401
11415a2838a
12209247a09
13111b1594c
1485c07d33
1552d97986
hex34e520e9

887431401 has 12 divisors (see below), whose sum is σ = 1283034480. Its totient is φ = 591072120.

The previous prime is 887431397. The next prime is 887431403. The reversal of 887431401 is 104134788.

It is not a de Polignac number, because 887431401 - 22 = 887431397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (887431403) 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, 35371 + ... + 55008.

It is an arithmetic number, because the mean of its divisors is an integer number (106919540).

Almost surely, 2887431401 is an apocalyptic number.

It is an amenable number.

887431401 is a deficient number, since it is larger than the sum of its proper divisors (395603079).

887431401 is a wasteful number, since it uses less digits than its factorization.

887431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91476 (or 91473 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 887431401 is about 29789.7868572435. The cubic root of 887431401 is about 960.9739107314.

The spelling of 887431401 in words is "eight hundred eighty-seven million, four hundred thirty-one thousand, four hundred one".

Divisors: 1 3 9 1091 3273 9819 90379 271137 813411 98603489 295810467 887431401