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47021402 = 2131179471
BaseRepresentation
bin1011001101011…
…1110101011010
310021110221020102
42303113311122
544014141102
64355455402
71110450431
oct263276532
9107427212
1047021402
11245a696a
12138b7562
13998471c
146360118
1541dc402
hex2cd7d5a

47021402 has 8 divisors (see below), whose sum is σ = 71070912. Its totient is φ = 23331100.

The previous prime is 47021399. The next prime is 47021411. The reversal of 47021402 is 20412074.

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

It is a super-2 number, since 2×470214022 = 4422024492091208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89474 + ... + 89997.

It is an arithmetic number, because the mean of its divisors is an integer number (8883864).

Almost surely, 247021402 is an apocalyptic number.

47021402 is a deficient number, since it is larger than the sum of its proper divisors (24049510).

47021402 is a wasteful number, since it uses less digits than its factorization.

47021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179604.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 47021402 is about 6857.2153240218. The cubic root of 47021402 is about 360.9373770744.

Adding to 47021402 its reverse (20412074), we get a palindrome (67433476).

The spelling of 47021402 in words is "forty-seven million, twenty-one thousand, four hundred two".

Divisors: 1 2 131 262 179471 358942 23510701 47021402